MajorCommonEngine

Honda CR-V: L15BE Turbo Inlet Hose Split at Boost Clamp

L15BE Turbo Inlet Hose Split at Boost Clamp is a common engine fault on the Honda CR-V on the 2017–2022 cars, and we rate it major. Putting it right costs $120 to $450 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 59 documented faults on the Honda CR-V.

Vehicle: Honda CR-V
Engine: 1.5L
Years: 2017–2022
Fuel: petrol
Gearbox: cvt
System: Engine

This page covers the Honda CR-V as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Honda CR-V faults59 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the Turbocharger yet. We would rather show none than show a picture of a different part.

What goes wrong

The turbocharger inlet and charge-air hose on the L15BE engine is secured at the turbo compressor inlet with a worm-drive boost clamp over a silicone-rubber sleeve. Repeated heat cycling causes the rubber to harden and shrink, and the clamp can cut into the hose wall or loosen, producing a split at the clamp contact point. The failure results in a boost leak between the air filter and turbocharger inlet, causing loss of charge air, a significant drop in power under load, an illuminated check engine light (P0299 underboost), and a characteristic hissing or whooshing noise under acceleration. The fix is low-cost but if undiagnosed causes the ECU to command excessive fuelling and can worsen oil dilution.

What you would notice

Hissing or whooshing sound from engine bay under acceleration above 2,000 rpm
Noticeably reduced power and throttle response under load
Check engine light with P0299 underboost code
Increased fuel consumption from ECU overcompensating
Engine stumble when boost should be building

How to check it

Where to look. Engine bay, turbocharger inlet hose and boost clamp on the left side of the L15BE engine

With the engine cold, locate the turbocharger inlet hose and follow it from the air filter housing to the turbo compressor inlet. Squeeze and flex the rubber hose at the worm-drive clamp location and inspect for cracking, splits, or hose wall deformation. Check clamp tightness with a screwdriver. A smoke test of the intake tract will reveal any boost leak decisively. Also inspect the charge-air cooler outlet hose at the throttle body for similar cracking.

Parts involved: Turbocharger.

What it costs to put right

$120 to $450 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Has the check engine light ever come on with a boost or turbo fault code?”
“Has any hissing sound been noticed from the engine bay under hard acceleration?”
“Have the turbo inlet hoses and clamps been inspected or replaced?”

Now check the Honda CR-V you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.

Honda CR-V buyer questions

Is l15be turbo inlet hose split at boost clamp serious on a Honda CR-V?

We rate it major and common on the Honda CR-V. The turbocharger inlet and charge-air hose on the L15BE engine is secured at the turbo compressor inlet with a worm-drive boost clamp over a silicone-rubber sleeve. Repeated heat cycling causes the rubber to harden and shrink, and the clamp can cut into the hose wall or loosen, producing a split at the clamp contact point. The failure results in a boost leak between the air filter and turbocharger inlet, causing loss of charge air, a significant drop in power under load, an illuminated check engine light (P0299 underboost), and a characteristic hissing or whooshing noise under acceleration. The fix is low-cost but if undiagnosed causes the ECU to command excessive fuelling and can worsen oil dilution.

How much does it cost to fix on a Honda CR-V?

$120 to $450 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Honda CR-V years are affected?

Our research records this fault on the 2017–2022 Honda CR-V. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.