Camshaft position sensor performance on Toyota — VVT-i 2ZR/8AR sensor and OCV (oil control valve).
Toyota P0341 — Camshaft position sensor performance on Toyota — VVT-i 2ZR/8AR sensor and OCV (oil control valve). Typical UK independent garage cost: £100–£380.
What actually causes P0341 on a Toyota
Toyota P0341 — sensor or OCV. OCV clog from dirty oil is the cheap fix; sensor is the next step.
Toyota engines that log P0341
- 2ZR-FE 1.8 (Corolla/Auris)
- 8AR-FTS 2.0 turbo
- 1ZR-FE 1.6
How we diagnose P0341 on a Toyota
- Fresh oil + filter trial
- OCV resistance test
- Sensor swap
- Live cam deviation
The common misdiagnosis to avoid
Toyota OCVs respond well to a fresh oil + filter — try that before parts on a high-mileage car.
Toyota P0341 repair cost in the UK
Expect £100–£380 including parts and labour at an independent garage. Main-dealer quotes on Toyota are usually higher for the same job, and the spread exists because the cheap cause and the expensive cause throw the same code — pay for the diagnosis before you pay for parts.
Bob's workshop tip
Toyota P0341 — service first, OCV second, sensor third. Cheap to expensive order.
Codes usually seen alongside P0341 on Toyota
- P0340
- P0011
Symptoms drivers report with P0341
- Engine cranks noticeably longer than usual before catching — especially hot restarts after a shop stop
- Loud metallic rattle for the first 2–4 seconds of a cold start (the classic 'death rattle')
- Rough lumpy idle at traffic lights, sometimes stalls when you dip the clutch
- Turbo feels lazy or flat below 2,000 RPM — ECU has retarded timing to protect the valvetrain
- Stop/Start stops working (ECU disables it once cam adaptation drifts past spec)
- MPG drops 3–6 mpg with no other obvious cause
- P0011 / P0014 / P0016 / P0335 often stored alongside — that combination is chain, not sensor
Repairs that clear P0341
- Sensor replacement
- Timing chain inspection
For the generic, all-makes explanation of this code — meaning, every known cause and UK cost bands — see our P0341 guide.