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Honda2009–2021 Critical issues documented

Honda Insight: common faults & what to check

Thinking about buying a used Honda Insight (2009–2021) in New Zealand? We've documented 16 known faults for this model spanning electrical, engine, cooling, and suspension. Each researched and verified before it's published. The most serious issues here are rated critical. Every one is listed below with its symptoms and repair cost, and each has its own page with where to look and what to ask the seller. Free, no account needed.

Check this exact Honda Insight

  • Odometer history
  • Money owing
  • Reported stolen
  • Ownership history
  • Official NZ vehicle register data
  • NZ owned and operated

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16

Documented faults

Critical

Most serious

$300–$1,100

Typical repair

9

Service milestones

Which Honda Insight are you looking at?

2 generation variants documented. Pick the shape you recognise: the faults, the servicing and the timeline below all narrow to it. Free, no account needed.

Now narrow it to the engine

A 1.8 and a 2.4 of the same car do not fail the same way, so the faults below narrow to the engine as well as the year. Free, no account needed.

Which engine is in it? These cover every year of this model.

1.3 hybrid· 1.3 litre hybrid1.5 hybrid· 1.5 litre hybrid

Start your free check on this Honda Insight

No plate needed. You get the risk score, the buyer's checklist and the guided inspection for the exact car you picked above — not the whole nameplate.

Honda InsightEngine not picked yet

Pick the engine above first: the Insight came with 2, and without it the report has to show all of their faults. Pick the engine

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Can't confirm for this car

Honda Insight

Nothing has been narrowed yet, so nothing below is a claim about a particular car. Pick a year and an engine to see which faults apply.

Tell us the engine, or check the engine code on the car, before relying on this.

matched on no vehicle context

What to look out for

The checks worth doing on a Honda Insight before you hand over any money. Every documented fault is listed below, each with its own page.

  • Serious issue

    Scan for stored/pending P0087 and fuel-system codes.

    See why

    Denso low-pressure fuel pump impeller failure (e:HEV, recall)

    The impeller inside the Denso low-pressure fuel pump was over-exposed to a drying agent in manufacture, producing a low-density impeller that cracks, absorbs fuel and deforms until it jams and stops delivering fuel. The engine may fail to start or stall while driving (crash risk), typically storing DTC P0087. This is covered by a genuine safety recall including the 2019-2020 Insight; the fix is a free fuel-pump-module replacement for eligible VINs. A JDM/US import buyer should verify the recall was actually performed, as imports often slip through.

    What you would notice

    • Engine cranks but won't start
    • Sudden stall while driving
    • Rough running / hesitation under load
    • Check-engine light with P0087

    Typically $450–$1,100 to put right.

  • Costly issue

    Check for the IMA warning light on the instrument cluster.

    See why

    ZE2 IMA NiMH Battery Degradation and Warning

    The Honda Insight ZE2 LDA 1.3 IMA nickel-metal hydride battery pack degrades with age and thermal cycling, causing the IMA system to reduce or withdraw electric assist and illuminate the IMA warning light on the instrument cluster. Severely degraded packs trigger a charge/discharge cycling that causes the engine to hunt at idle.

    What you would notice

    • IMA warning light on instrument cluster with idle hunting and engine surging
    • Fuel economy decline from the rated figure as IMA electric assist diminishes

    Typically $800–$3,000 to put right.

  • Costly issue

    Note the idle stability with the IMA active and with the vehicle in Park.

    See why

    LDA IMA Idle Hunt from Battery Charge Cycle

    When the ZE2 IMA NiMH battery is degraded, the engine management system enters an aggressive charge cycle causing the idle speed to surge between 900 and 1500rpm in an attempt to rapidly recharge the failing battery through the motor-generator. This idle hunting is distinct from throttle body carbon fouling as it is directly linked to IMA battery state of charge.

    What you would notice

    • Engine idle surging between 900 and 1500rpm linked to IMA battery charging
    • IMA battery charge indicator moving rapidly during idle hunt

    Typically $800–$3,000 to put right.

  • Costly issue

    Attempt to move each caliper laterally — it should slide smoothly with light hand pressure.

    See why

    Rear Brake Caliper Guide Pin Seizure

    The rear brake calipers on the GP4/GP5 Insight use sliding guide pins that require periodic greasing; in New Zealand's coastal and high-rainfall environments the rubber boots protecting the pins deteriorate within three to four years, allowing moisture and road salt to corrode the pin bore and cause the pin to seize solid. A seized guide pin prevents the caliper from sliding freely, so only one brake pad contacts the rotor — generating excessive heat on that side, accelerating rotor and pad wear asymmetrically, and in severe cases causing the brake to drag continuously, which can overheat the rear hydraulic circuit.

    What you would notice

    • Vehicle pulls to one side under braking
    • One rear brake pad worn significantly thinner than its counterpart on the same caliper
    • Smell of hot brakes or wheel unusually hot to touch after normal driving

    Typically $180–$750 to put right.

  • Costly issue

    Inspect the boot for splitting.

    See why

    Front Lower Arm Ball Joint Wear

    Front lower arm ball joints wear causing clunking over bumps and reduced handling precision.

    What you would notice

    • Clunking from front suspension over bumps
    • Imprecise steering feel when cornering

    Typically $300–$700 to put right.

  • Costly issue

    Check for pulling under braking.

    See why

    Brake Caliper Guide Pin Seizure

    Front brake caliper guide pins seize from corrosion causing uneven pad wear.

    What you would notice

    • Vehicle pulling to one side under braking
    • One front disc hotter than the other after moderate use

    Typically $150–$500 to put right.

Honda Insight service schedule

What falls due, and at what distance, for each generation of the Honda Insight. These are the model’s intervals — the car’s own service book is the only thing that can tell you what has actually been done to it.

Third Generation · 2019–2022 · 1.5L LEB-MMD Inline-4 i-MMD Hybrid

Hybrid

Due by distance

  1. 100,000 km

    The 12V auxiliary battery might start showing fatigue here, potentially affecting startup cycles.

  2. 150,000 km

    Inspect the drive belt and ensure the high-voltage battery cooling fan intake is free of dust for optimal thermal efficiency.

  3. 200,000 km

    Have the hybrid system health checked via an OBD-II scan to confirm individual cell voltages remain balanced.

Second Generation · 2009–2014 · 1.3L LDA-MF6 Inline-4 IMA Hybrid

Hybrid

Due by distance

  1. 100,000 km

    Comprehensive service including valve clearance checks and possible spark plug replacement.

  2. 150,000 km

    Review the 12V auxiliary battery condition and ensure the IMA battery cooling fan intake (near the rear seat) is free of dust.

  3. 200,000 km

    Have a specialist verify the hybrid battery cooling system health and overall drivetrain efficiency.

First Generation · 2000–2006 · 1.0L ECA1 Inline-3 IMA Hybrid

Hybrid

Due by distance

  1. 150,000 km

    Inspect the IMA cooling fan for debris buildup.

  2. 200,000 km

    Original suspension components such as struts and bushings may benefit from a refresh to maintain that signature handling.

  3. 250,000 km

    Inspect the EGR valve and intake manifold - carbon buildup can gradually affect engine efficiency.

See all 16 documented issuesEverything researched for the Honda Insight, including 2 rated critical.
Depends on which engine this Honda Insight has — 16Each of these is documented for one particular engine. Pick the year and engine above to see which of them apply.
Engine, transmission & cooling4

01Denso low-pressure fuel pump impeller failure (e:HEV, recall)

Scan for stored/pending P0087 and fuel-system codes.hybrid2019–2020Engine
OccasionalEngine $450–$1,100 to fix

Can't confirm for this car

The impeller inside the Denso low-pressure fuel pump was over-exposed to a drying agent in manufacture, producing a low-density impeller that cracks, absorbs fuel and deforms until it jams and stops delivering fuel. The engine may fail to start or stall while driving (crash risk), typically storing DTC P0087. This is covered by a genuine safety recall including the 2019-2020 Insight; the fix is a free fuel-pump-module replacement for eligible VINs. A JDM/US import buyer should verify the recall was actually performed, as imports often slip through.

Symptoms to notice

  • Engine cranks but won't start
  • Sudden stall while driving
  • Rough running / hesitation under load
  • Check-engine light with P0087

What to check

Scan for stored/pending P0087 and fuel-system codes; cold-start and hot-restart the car; ask for proof the fuel-pump recall was completed; check service records for a pump replacement.

Where to look: Low-pressure fuel pump module inside the fuel tank (under the rear seat / underbody)

Parts involved: Water pump.

Ask the seller

  • “Has the fuel pump recall been done - do you have paperwork?”
  • “Any no-start or stalling episodes, ever?”
  • “Has a workshop scanned it for a P0087 code?”

02i-MMD Inverter Electric Water Pump Failure

Scan PCU and hybrid control module for thermal fault codes.hybrid2018 onwardCooling
OccasionalCooling $650–$1,900 to fix

Can't confirm for this car

The i-MMD hybrid system uses a dedicated electric coolant pump to regulate operating temperature of the Power Control Unit and drive motor inverter. Pump motor bearing wear and impeller corrosion from degraded coolant cause flow reduction or complete pump failure, triggering PCU thermal protection mode. Symptoms include hybrid system warning lights, reduced drive power, and in severe cases a temporary hybrid system shutdown that requires the vehicle to be restarted after cooling. The pump is particularly susceptible to contaminated or overdue coolant causing impeller erosion and seal failure.

Symptoms to notice

  • Hybrid system warning light (triangle with exclamation mark)
  • Drive power output restricted in EV or hybrid assist mode
  • Coolant temperature warning activation at elevated ambient temperatures
  • Absence of normal electric water pump operating noise from engine bay
  • PCU overtemperature DTC stored in hybrid control module

What to check

  1. Scan PCU and hybrid control module for thermal fault codes.
  2. With ignition on listen for electric coolant pump activation sound from engine bay bulkhead area.
  3. Check coolant condition — should be clear and manufacturer-specified colour, not brown or cloudy.
  4. Inspect pump outlet hose connections for weeping.
  5. Confirm coolant has been changed per Honda i-MMD 40,000 km or 2-year service interval.

Where to look: Electric coolant pump on engine bay bulkhead; PCU/inverter mounted above engine assembly

Parts involved: Water pump.

Ask the seller

  • “Has the hybrid system coolant been flushed on the Honda-specified schedule?”
  • “Has any hybrid system warning light appeared during ownership?”
  • “Has the vehicle ever entered limp mode or reduced power mode while driving?”

03CVT Belt Judder on Light Throttle

Test drive applying gradual throttle from rest to confirm shudder onset at speed range and throttle percentage.hybrid2009–2014Transmission
CommonTransmission $350–$1,800 to fix

Can't confirm for this car

The ZE2 Insight HMCA CVT unit develops shudder and judder under light throttle inputs, particularly when pulling away gently from rest or during low-speed cruise conditions. The primary cause is degraded CVT fluid that loses friction modifier properties with age and mileage, combined with steel push-belt slip as pulley clamping pressure reduces. Contaminated or incorrect fluid accelerates push-belt fatigue and pulley face wear. In advanced cases the judder becomes a persistent drivetrain shudder felt under any light load input and does not resolve with fluid replacement alone.

Symptoms to notice

  • Shudder or judder felt through drivetrain under light throttle application
  • Vibration transmitted through floor when pulling away gently from rest
  • Low-speed oscillation during gradual acceleration
  • Drivetrain noise intensity varying with throttle position
  • Symptoms worsen in cold weather or immediately after extended idle

What to check

  1. Test drive applying gradual throttle from rest to confirm shudder onset at speed range and throttle percentage.
  2. Check CVT fluid colour — should be translucent red, not brown or black.
  3. Verify fluid change history using Honda-specified CVT fluid.
  4. Inspect for fluid leaks at CVT case mating joints and selector shaft seal.
  5. Honda recommends fluid replacement every 40,000 km in NZ/AU conditions.

Where to look: CVT transaxle unit in front engine bay, left side of engine assembly

Parts involved: CVT belt and pulleys.

Ask the seller

  • “When was the CVT fluid last changed and with which fluid specification?”
  • “Have you noticed any vibration or shudder at low speeds under light throttle?”
  • “Has the transmission ever been serviced at an authorised Honda dealer?”

04Throttle Body Carbon Fouling

Inspect throttle body bore for grey-black carbon deposits.hybrid2009–2014Engine
CommonEngine $80–$300 to fix

Can't confirm for this car

Throttle body butterfly and bore accumulate carbon from crankcase vapours causing rough idle and hesitation.

Symptoms to notice

  • Rough idle and hesitation from rest at light throttle
  • Occasional stalling when releasing throttle in traffic

What to check

  1. Inspect throttle body bore for grey-black carbon deposits.
  2. Note rough idle and hesitation on deceleration.

Where to look: Throttle body on intake manifold

Ask the seller

  • “Has the throttle body carbon fouling been inspected or repaired?”
Electrical7

01Electric Power Steering Column Motor Failure

hybrid2012–2019Electrical
OccasionalElectrical $1,200–$3,200 to fix

Can't confirm for this car

The GP4/GP5 Insight uses a column-type electric power steering unit with the assist motor mounted directly on the steering column beneath the dashboard; this location exposes the motor's brush gear and reduction gearbox to heat cycling from the cabin and vibration transmitted through the column. Motor brush wear or worm-gear scoring causes the EPS control unit to detect an overcurrent or torque-sensor mismatch, triggering a full EPS shutdown and requiring the driver to manage heavy, unassisted steering — a significant hazard at parking speeds and during slow manoeuvring.

Symptoms to notice

  • EPS warning light (steering wheel with exclamation mark) illuminated on the instrument cluster
  • Intermittent or permanent loss of power steering assist, making the wheel very heavy to turn
  • Grinding or notching sensation through the steering wheel at low speeds

What to check

  1. Turn the steering lock-to-lock at walking pace with the engine running and check for any intermittent heaviness, grinding, or a notching sensation through the wheel.
  2. Check the instrument cluster for an EPS warning light (steering wheel icon).
  3. Scan for DTC codes P0090, C0071 or Honda-specific EPS fault codes in the body electronics module.

Where to look: Steering column assembly, under dashboard on the driver's side

Parts involved: Steering rack.

Ask the seller

  • “Has the EPS warning light ever come on, even briefly?”
  • “Does the steering ever feel heavier than normal, particularly at low speed or when parking?”

02DC-DC converter over-voltage shutdown (12V not charging)

Cold-start the car first thing in the morning if possible.hybrid2019–2021Electrical
OccasionalElectrical $250–$6,000 to fix

Can't confirm for this car

On the e:HEV powertrain, transistors in the Power Control Unit's DC-DC converter were made with excessive dopant concentration; in cold ambient temperatures this can amplify output voltage, trip an over-voltage condition and shut the converter down, so the 12V battery is no longer recharged from the hybrid system. The car may fail to start or lose drive power / stall while moving. This is a confirmed safety recall for 2020-2021 Insight remedied by a free PCU software update; a flat/weak 12V is also the hidden root cause of many Gen3 electrical gremlins.

Symptoms to notice

  • Dead/weak 12V symptoms (won't start, slow crank, warning-light cluster)
  • Intermittent electrical faults
  • Sudden power-loss or stall, especially in cold weather
  • Repeated 12V battery drain despite a new battery

What to check

Cold-start the car first thing in the morning if possible; check 12V battery age/health and for repeated replacements in records; confirm the DC-DC converter PCU software recall was applied on 2020-2021 cars; watch for multiple simultaneous dash warnings on startup.

Where to look: Power Control Unit / DC-DC converter in the engine bay (hybrid HV system); 12V battery in engine bay / boot area

Parts involved: 12V battery.

Ask the seller

  • “Has the DC-DC converter / PCU software recall been completed?”
  • “Has the 12V battery gone flat or been replaced, and how often?”
  • “Any dashboard warning-light episodes or power loss, especially on cold mornings?”

03LDA IMA Idle Hunt from Battery Charge Cycle

Note the idle stability with the IMA active and with the vehicle in Park.hybrid2009–2014Electrical
CommonElectrical $800–$3,000 to fix

Can't confirm for this car

When the ZE2 IMA NiMH battery is degraded, the engine management system enters an aggressive charge cycle causing the idle speed to surge between 900 and 1500rpm in an attempt to rapidly recharge the failing battery through the motor-generator. This idle hunting is distinct from throttle body carbon fouling as it is directly linked to IMA battery state of charge.

Symptoms to notice

  • Engine idle surging between 900 and 1500rpm linked to IMA battery charging
  • IMA battery charge indicator moving rapidly during idle hunt

What to check

  1. Note the idle stability with the IMA active and with the vehicle in Park.
  2. Idle surging that correlates with the IMA battery charge indicator moving rapidly indicates IMA battery charge cycle hunting rather than a throttle or fuel system fault.

Where to look: IMA motor-generator and NiMH battery system

Ask the seller

  • “Has the lda ima idle hunt from been inspected or repaired?”

04ZE2 IMA NiMH Battery Degradation and Warning

Check for the IMA warning light on the instrument cluster.hybrid2009–2014Electrical
Very commonElectrical $800–$3,000 to fix

Can't confirm for this car

The Honda Insight ZE2 LDA 1.3 IMA nickel-metal hydride battery pack degrades with age and thermal cycling, causing the IMA system to reduce or withdraw electric assist and illuminate the IMA warning light on the instrument cluster. Severely degraded packs trigger a charge/discharge cycling that causes the engine to hunt at idle.

Symptoms to notice

  • IMA warning light on instrument cluster with idle hunting and engine surging
  • Fuel economy decline from the rated figure as IMA electric assist diminishes

What to check

  1. Check for the IMA warning light on the instrument cluster.
  2. Note any hunting or surging at idle as the IMA system attempts to recharge a degraded battery.
  3. Ask about IMA warning history.

Where to look: IMA NiMH battery pack in the boot area of the vehicle

Ask the seller

  • “Has the ze2 ima nimh battery degradation been inspected or repaired?”

05EPS Rack Torque Sensor Failure Causing EPS Warning

Scan for EPS-specific DTCs using Honda HDS or compatible tool.hybrid2018 onwardElectrical
OccasionalElectrical $900–$2,800 to fix

Can't confirm for this car

The ZE4 Insight uses a column-type electric power steering system with an integrated torque sensor that measures steering input for the EPS control module. The torque sensor develops intermittent or permanent signal faults, triggering the EPS warning light and causing power steering assist to default to unassisted manual effort. The fault is often temperature-sensitive, appearing more frequently during cold starts or after extended parking in low temperatures. In some cases connector corrosion at the steering column EPS module plug confounds sensor readings and can be mistaken for sensor failure proper.

Symptoms to notice

  • EPS warning light illuminated on instrument cluster
  • Sudden significant increase in steering effort required
  • Steering feels noticeably heavy at low speeds and when parking
  • Intermittent EPS light that clears after ignition cycle
  • Momentary steering jerk when fault triggers during driving

What to check

  1. Scan for EPS-specific DTCs using Honda HDS or compatible tool.
  2. Inspect EPS control module connector at steering column base for corrosion and pin tension.
  3. Test steering effort at full lock in both directions with engine running.
  4. Check for prior windscreen replacement or dashboard work that may have disturbed steering column wiring.
  5. Confirm EPS module software is current per Honda service bulletins.

Where to look: EPS torque sensor integrated in steering column below dashboard; EPS control module on column lower section

Parts involved: Steering rack, Body corrosion.

Ask the seller

  • “Has the EPS warning light ever illuminated during ownership?”
  • “Has the steering ever felt suddenly heavier or required noticeably more effort?”
  • “Has any steering, suspension, or windscreen replacement work been carried out?”

0612V Auxiliary Battery Failure Causing Hybrid Lockout

Confirm replacement battery is Honda-specified AGM or EFB type, not standard flooded cell.hybrid2018 onwardElectrical
OccasionalElectrical $180–$480 to fix

Can't confirm for this car

The ZE4 Insight requires a healthy 12V auxiliary lead-acid battery to initialise the hybrid control system, Body Electronics Bus, and Power Control Unit during startup. When 12V battery voltage falls below the hybrid system initialisation threshold, the vehicle cannot complete its startup sequence and will not enter READY mode, even though the high-voltage traction battery may be fully charged. The 12V auxiliary battery discharges faster than expected on ZE4 models due to continuous low-level draw from always-on hybrid system monitors and cellular telematics, making it particularly vulnerable on vehicles used predominantly for short-trip driving or left parked for extended periods.

Symptoms to notice

  • Vehicle will not start or enter READY mode despite traction battery being charged
  • Multiple system warning lights illuminate simultaneously on startup attempt
  • Accessory systems including lights and radio function but hybrid system will not initialise
  • Rapid clicking from relay area under bonnet when start button pressed
  • Low 12V battery voltage warning displayed on multi-information screen

What to check

Confirm replacement battery is Honda-specified AGM or EFB type, not standard flooded cell. Inspect 12V battery terminals for corrosion and verify terminal clamp tightness. Honda recommends proactive 12V battery replacement at 3 to 4 years on hybrid models due to elevated parasitic draw profile. If a workshop inspection is possible: Measure 12V auxiliary battery open-circuit voltage with multimeter — should read 12.4V or above with ignition off after 10-minute rest. Perform load test on 12V battery.

Where to look: 12V auxiliary battery located under bonnet on ZE4 NZ and AU market specification

Parts involved: 12V battery.

Ask the seller

  • “When was the 12V auxiliary battery last replaced, and with what battery type?”
  • “Has the vehicle ever failed to enter READY mode or refused to start?”
  • “Is the vehicle used primarily for short urban trips or left parked for extended periods?”

0712V auxiliary battery drain triggering false IMA faults

Check the 12V battery age and resting voltage (about 12.4-12.6V off, 13.8-14V running confirms DC-DC charging).hybrid2009–2014Electrical
CommonElectrical $180–$1,800 to fix

Can't confirm for this car

The ZE2 relies on a small 12V battery (charged via the DC-DC converter from the IMA pack) to boot the control modules. Because there is no traditional starter-crank event, owners under-appreciate the 12V and it silently ages. A weak or discharged 12V causes no-start / dead-dash conditions and, importantly, can throw false IMA and check-engine codes that mimic a failing hybrid pack. Technicians warn to test/replace the 12V and confirm DC-DC charging voltage before condemning the expensive IMA battery.

Symptoms to notice

  • Slow/no dash wake-up or no-start
  • Multiple simultaneous warning lights on a cold start
  • IMA/check-engine lights that come and go
  • Electrical glitches after the car has sat

What to check

  1. Check the 12V battery age and resting voltage (about 12.4-12.6V off, 13.8-14V running confirms DC-DC charging).
  2. Note whether warning lights self-extinguish once running (points to weak 12V rather than a dead IMA pack).
  3. Ask how long the car sat on the import/dealer yard.

Where to look: 12V battery in the engine bay near the firewall; DC-DC converter integrated with the IMA/PDU unit at the rear

Parts involved: 12V battery.

Ask the seller

  • “How old is the 12V battery and has it been replaced?”
  • “Does the car ever fail to wake up after sitting a few days?”
  • “Have any IMA/warning lights been checked with the 12V battery load-tested first?”
Body, brakes, suspension & interior5

01Rear Trailing Arm Compliance Bush Collapse

Inspect the forward trailing arm bush visually for cracking, delamination, or offset of the inner sleeve relative to the outer shell.hybrid2012–2019Suspension
OccasionalSuspension $400–$1,100 to fix

Can't confirm for this car

The rear trailing arm on the GP4/GP5 Insight uses a large bonded rubber compliance bush at its forward pivot; this bush is designed to flex predictably under cornering and braking loads to tune rear steering behaviour. The rubber compound degrades with age and mileage, and once the bush collapses or debonds from its steel sleeve, the rear axle geometry shifts rearward under braking — causing the rear to step out unexpectedly and producing rapid, uneven tyre wear across the rear axle.

Symptoms to notice

  • Rear end wander or unexpected oversteer feeling during moderate cornering or braking
  • Rapid wear on the inner edges of rear tyres
  • Clunking or creaking from the rear underside over uneven surfaces

What to check

  1. Inspect the forward trailing arm bush visually for cracking, delamination, or offset of the inner sleeve relative to the outer shell.
  2. Check rear tyre wear pattern for inside-edge scalloping or feathering.
  3. Have a four-wheel alignment performed — toe-out readings beyond Honda's specification at the rear axle indicate bush collapse.

Where to look: Rear trailing arm, forward pivot point, both sides of the rear subframe

Ask the seller

  • “Has the rear suspension been inspected or any bushes replaced?”
  • “Does the rear feel unsettled or does the car feel like it wants to change direction under hard braking?”

02Rear Brake Caliper Guide Pin Seizure

Attempt to move each caliper laterally — it should slide smoothly with light hand pressure.hybrid2012–2019Brakes
CommonBrakes $180–$750 to fix

Can't confirm for this car

The rear brake calipers on the GP4/GP5 Insight use sliding guide pins that require periodic greasing; in New Zealand's coastal and high-rainfall environments the rubber boots protecting the pins deteriorate within three to four years, allowing moisture and road salt to corrode the pin bore and cause the pin to seize solid. A seized guide pin prevents the caliper from sliding freely, so only one brake pad contacts the rotor — generating excessive heat on that side, accelerating rotor and pad wear asymmetrically, and in severe cases causing the brake to drag continuously, which can overheat the rear hydraulic circuit.

Symptoms to notice

  • Vehicle pulls to one side under braking
  • One rear brake pad worn significantly thinner than its counterpart on the same caliper
  • Smell of hot brakes or wheel unusually hot to touch after normal driving

What to check

Attempt to move each caliper laterally — it should slide smoothly with light hand pressure. Compare inner and outer pad thickness on each side; a difference of more than 3 mm indicates a seized pin. Check the rotors for hot spots, blue discolouration, or heavy scoring on one face only. If a workshop inspection is possible: Remove the rear wheels and inspect the caliper guide pin boots for cracking or missing rubber.

Where to look: Rear brake caliper guide pin bores, both sides of the rear axle

Parts involved: Brake disc and pads.

Ask the seller

  • “Have the rear brake calipers been serviced or the guide pins greased in the last two years?”
  • “Does the car pull to one side when you brake moderately from motorway speed?”

03Front Lower Arm Ball Joint Wear

Inspect the boot for splitting.2009–2014Suspension
CommonSuspension $300–$700 to fix

Can't confirm for this car

Front lower arm ball joints wear causing clunking over bumps and reduced handling precision.

The front wheel of a car splayed outward with the lower control arm hanging down after a ball joint separation.Example of the part — not this vehicle

A separated lower ball joint: the control arm has dropped and the wheel has splayed out under the guard.

Elfix · CC0 · Wikimedia Commons

Symptoms to notice

  • Clunking from front suspension over bumps
  • Imprecise steering feel when cornering

What to check

Inspect the boot for splitting. If a workshop inspection is possible: With vehicle raised, lever the lower arm and check for ball joint play.

Where to look: Front lower suspension control arms

Parts involved: Ball joint.

Ask the seller

  • “Has the front lower arm ball joint been inspected or repaired?”

04Brake Caliper Guide Pin Seizure

Check for pulling under braking.2009–2014Brakes
CommonBrakes $150–$500 to fix

Can't confirm for this car

Front brake caliper guide pins seize from corrosion causing uneven pad wear.

Symptoms to notice

  • Vehicle pulling to one side under braking
  • One front disc hotter than the other after moderate use

What to check

  1. Check for pulling under braking.
  2. Feel for uneven wheel heat.
  3. Inspect guide pins.

Where to look: Front brake calipers

Parts involved: Brake disc and pads.

Ask the seller

  • “Has the brake caliper guide pin seizure been inspected or repaired?”

05Rear Torsion Beam Bush Collapse

Inspect rear beam mounting bushes for cracking.2009–2014Suspension
CommonSuspension $200–$550 to fix

Can't confirm for this car

Rear torsion beam bushes harden and collapse causing rear knocking and handling imprecision.

Symptoms to notice

  • Knocking from rear suspension over rough surfaces
  • Imprecise rear handling feel

What to check

  1. Inspect rear beam mounting bushes for cracking.
  2. Push beam laterally — any movement indicates collapsed bushes.

Where to look: Rear torsion beam axle mounting points

Ask the seller

  • “Has the rear torsion beam bush collapse been inspected or repaired?”

What these repairs cost on other cars

Some of the Honda Insight’s documented faults are repairs other models share. Each page lists the documented NZ cost for every model it affects.

Other Honda models

Honda CR-V59 documented faultsHonda Accord55 documented faultsHonda Jazz51 documented faultsHonda CR-Z15 documented faultsHonda Legend15 documented faultsHonda Prelude13 documented faults

Honda Insight buyer questions

Is the Honda Insight reliable?

Like any used car, it depends on the specific example and its service history. Across the 16 documented faults for the Honda Insight, the recurring problem areas are electrical, engine, and cooling. A Honda Insight with a full service history and no signs of the issues listed on this page can be a sound buy but each one needs to be checked individually before you commit.

What are the most common problems with a used Honda Insight?

We've catalogued 16 known faults for the Honda Insight, covering electrical, engine, and cooling. All 16 are written out in full on this page, with the symptoms to notice, what to inspect, and typical repair costs for each. Free to read, no account needed.

How much do repairs cost on a Honda Insight?

Most single repairs on the Honda Insight fall between $300–$1,100 at NZ independent-workshop rates. Some of the 16 documented faults cost less and a few cost considerably more, and no one car needs them all. Knowing which ones to look for before you view is what lets you negotiate the price down or walk away.

Should I get a pre-purchase inspection on a Honda Insight?

Yes. A Honda Insight inspection focused on its known weak points is the single best way to avoid an expensive mistake. KickTyres gives you a guided, model-specific inspection plus a market valuation and negotiation figure for $24.90 far less than the cost of missing one of the faults on this page.