Thinking about buying a used Toyota Platz (2005–2023) in New Zealand? We've documented 28 known faults for this model spanning engine, cooling, suspension, and brakes. Each researched and verified before it's published. The most serious issues here are rated critical. Two are set out in full below — the rest, with the symptoms, repair costs and checks for each, are free with an account.
28
Documented faults
Critical
Most serious
$700–$2,200
Typical repair
7
Systems covered
Known Toyota Platz faults
Every fault below is documented specifically for this model — researched and verified before it’s published.
01GR Yaris G16E-GTS Water Ingestion via Intake (Heavy Rain / Coastal Roads)
CriticalRareEngine $8,000–$25,000 to fix
The G16E-GTS 1.6-litre turbocharged three-cylinder in the GR Yaris has a low-mounted air intake path that is vulnerable to water ingestion during heavy rain, flooding events, or driving through deep puddles on NZ coastal and rural roads. Documented cases in NZ and international GR owner forums report hydrolocked engines from what appears to be normal driving conditions in heavy downpours. The intake design draws from an area near the left front wheel arch that can accumulate water faster than the factory airbox can expel. Hydrolock on this engine causes bent connecting rods and requires a full engine rebuild or replacement — costs are catastrophic.
Symptoms to notice
Engine suddenly stops or misfires severely in heavy rain or after driving through water
Engine will not crank or cranks with a heavy knocking sound after a water event
Water present in the intake pipe or airbox after rain
Catastrophic misfire with bent rod confirmed on teardown
What to check
Inspect the air intake path from the wheel arch to the airbox for any signs of water ingestion (watermarks inside the intake pipe, corroded or wet filter). Ask owner if an aftermarket snorkel or intake relocation kit has been fitted — this is a widely recommended modification for GR Yaris owners in NZ. Ask if the car has ever been driven through water or in very heavy rain.
Where to look: Left-front intake path, airbox and intercooler ducting
Ask the seller
“Has the car ever been driven in heavy rain or through standing water?”
“Has an aftermarket intake snorkel or relocation been fitted?”
“Has the engine ever been opened or inspected for internal damage?”
“Has the car ever had an insurance claim for engine damage?”
02Electric Power Steering Rack Rattle and Column Knock (NCP130)
MinorCommonSuspension $800–$1,900 to fix
The NCP130 Yaris replaced hydraulic power steering with a column-mounted electric power steering (EPS) motor. The coupling between the EPS motor shaft and the steering column intermediate shaft develops play over time, producing a knocking or rattle when the steering wheel is held at a small angle in corners or during parking manoeuvres. In some cases the EPS torque sensor deteriorates, causing the EPS warning light to appear and intermittent loss of power assistance.
Symptoms to notice
Knocking or rattling sound from the steering column when making small steering inputs at low speed, such as lane changes or parking
EPS warning light appearing intermittently, sometimes accompanied by momentarily heavy steering before the system resets
What to check
With the engine running (EPS active), slowly oscillate the steering wheel 5–10 degrees either side of centre and listen for a knock or rattle from the column below the dash. Check the instrument cluster for the EPS warning light (orange steering wheel icon). Pull the steering wheel gently fore-aft to feel for column shaft end-play. If a workshop inspection is possible: Scan with an OBD reader for EPS-specific codes C1511 or C1512 (torque sensor signal out of range).
Where to look: Steering column, EPS motor coupling beneath dashboard
Ask the seller
“Has the EPS warning light ever appeared, even briefly?”
“Is there any knocking or rattling from the steering column when parking or making slow-speed turns?”
CoolingCritical
SuspensionCritical
BrakesCritical
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Fluid LeaksMajor
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26 more documented faults on the Toyota Platz
Symptoms, what to check, where to look and what to ask the seller — for every fault above. Free with an account, no card needed. One account covers one vehicle, so make it the car you’re actually looking at.
This page covers the model. Enter the plate of the actual car you’re looking at and see its year, engine, safety rating and register flags — free, no account needed.
Like any used car, it depends on the specific example and its service history. Across the 28 documented faults for the Toyota Platz, the recurring problem areas are engine, cooling, and suspension. A Toyota Platz 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 Toyota Platz?
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We've catalogued 28 known faults for the Toyota Platz, covering engine, cooling, and suspension. Two are written out in full on this page. The rest — with the symptoms to notice, what to inspect, and typical repair costs for each — are free once you create an account.
How much do repairs cost on a Toyota Platz?
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Most single repairs on the Toyota Platz fall between $700–$2,200 at NZ independent-workshop rates. Some of the 28 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 Toyota Platz?
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Yes. A Toyota Platz 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 $17.90 far less than the cost of missing one of the faults on this page.