Motor Vehicle Expert
OBD fault code guide

P0341 Code Meaning UK

P0341 means “Camshaft Position Sensor A Circuit Range/Performance”. In plain English, the engine computer is seeing a camshaft position signal that is outside the expected range, unstable, poorly timed or not matching the crankshaft signal correctly.

📅 Updated June 2026 🇬🇧 UK diagnostic guide 🛠 Camshaft sensor advice
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✓ Camshaft sensor fault explained ✓ UK repair cost guide ✓ MOT-aware advice ✓ Heavy internal linking included
Quick answer Meaning Symptoms Causes Can you drive? Repair costs Diagnosis MOT impact Related guides FAQs
Quick answer

What does P0341 mean?

P0341 means the ECU is not happy with the camshaft position sensor signal. The sensor may be sending an incorrect signal, an unstable signal, a signal outside the expected range, or a signal that does not line up properly with the crankshaft position sensor.

Do not assume P0341 is always just a bad sensor. A faulty camshaft sensor is common, but damaged wiring, connector corrosion, poor oil condition, variable valve timing faults, stretched timing chain, incorrect timing or crankshaft sensor issues can also trigger it.

Most common area

Camshaft position sensor, wiring, connector, timing correlation or VVT system.

Main risk

Hard starting, cutting out, poor running, limp mode, misfires or crank-no-start symptoms.

Best first check

Scan all codes, compare cam/crank data and inspect wiring before replacing parts.

Code meaning

P0341 — Camshaft position sensor range/performance

The camshaft position sensor helps the ECU know where the camshaft is during engine rotation. This information is used for ignition timing, fuel injection timing, variable valve timing control and engine synchronisation.

P0341 usually means the ECU can see a camshaft sensor signal, but the signal is not behaving as expected. That is different from P0340, which is more commonly a camshaft position sensor circuit fault.

Mechanic view

Why P0341 needs proper diagnosis

P0341 can look like a simple sensor code, but it can also point towards timing relationship problems. If the camshaft and crankshaft signals do not match correctly, the issue may be timing chain stretch, poor oil flow to VVT components, a camshaft actuator problem or incorrect timing after previous work.

This is why a proper diagnosis should compare related codes such as P0335, P0011 and P0340 before parts are fitted.

Symptoms

Common symptoms of a P0341 code

Symptoms can range from a simple engine warning light to hard starting, cutting out or poor running.

Engine management light

A steady engine warning light is one of the most common symptoms.

Hard starting

The ECU may struggle to synchronise injection and ignition timing.

Cranks but will not start

A serious cam/crank signal issue can cause a crank-no-start fault.

Loss of power

The engine may feel weak or enter limp mode if timing control is affected.

Misfire or rough idle

Poor timing information can cause uneven running, hesitation or misfire symptoms.

Cutting out

An intermittent signal can cause stalling or cutting out while driving.

Common causes

What causes P0341?

P0341 can be caused by the camshaft sensor, but timing, wiring and oil-related VVT issues should also be checked.

Very common

Faulty camshaft position sensor

The sensor may produce a weak, unstable or incorrect signal.

Electrical

Wiring or connector fault

Heat, oil contamination, corrosion or damaged wiring can affect signal quality.

Timing

Timing chain stretch

A stretched chain can make cam and crank signals disagree.

VVT

Variable valve timing fault

A stuck VVT actuator or oil control solenoid can cause cam timing performance faults.

Oil issue

Dirty oil or low oil pressure

Poor oil condition can affect cam timing control on VVT engines.

Related sensor

Crankshaft sensor problem

A crankshaft sensor issue can affect cam/crank correlation diagnosis.

Safe to drive?

Can you drive with P0341?

Short careful driving may be possible if the car runs normally and the engine light is steady. However, P0341 should not be ignored because camshaft signal faults can affect starting, timing, injection control, power delivery and reliability.

✅ Lower risk: steady engine light, normal starting and normal performance.

⚠️ Medium risk: hesitation, poor starting, rough idle or reduced power.

🚫 Higher risk: cutting out, crank-no-start, flashing engine light, misfire or severe limp mode.

Can You Drive With Engine Light? Car Cranks But Won't Start
No-start warning

Do not ignore hard starting or cutting out

If the car is difficult to start, cuts out or cranks without starting, P0341 should be checked quickly. The ECU depends on camshaft and crankshaft signals to know where the engine is in its cycle.

A sensor issue may be simple, but a timing chain or VVT issue can become more expensive if ignored.

P0335 Crank Sensor P0011 Timing Code
UK repair costs

Typical UK repair costs for P0341

Costs vary depending on engine access, diagnostic time, sensor location and whether the fault is wiring, sensor, VVT or timing-chain related.

Diagnostic scan and live data

Typical range: £40–£120.

Camshaft sensor replacement

Typical range: £70–£250+.

Wiring or connector repair

Typical range: £60–£250.

Oil and filter service

Typical range: £80–£180 if dirty oil is affecting VVT operation.

VVT solenoid or actuator repair

Typical range: £120–£500+.

Timing chain investigation or repair

Typical range: £500–£1,500+ depending on engine design.

Repair Costs Guide UK
Diagnosis flow

How to diagnose P0341 properly

✅ Scan all stored, pending and permanent codes.

✅ Record freeze-frame data before clearing anything.

✅ Check whether P0341 appears with P0340, P0335, P0011 or misfire codes.

✅ Inspect camshaft sensor wiring and connector condition.

✅ Check for oil contamination inside the connector.

✅ Compare camshaft and crankshaft live data where supported.

✅ Inspect engine oil level and service condition.

✅ Check VVT solenoid or actuator operation if fitted.

✅ Consider timing chain stretch if cam/crank correlation looks wrong.

Real experience

What I would check first

On a real P0341 fault, I would first check the wiring and connector because camshaft sensors often sit near hot, oily areas. A poor connection can create an intermittent signal that looks like a sensor fault.

If the car also has P0011, P0335, P0300 or rough running symptoms, I would treat it as a full timing and synchronisation diagnosis rather than just replacing the camshaft sensor.

P0340 Cam Sensor Circuit P0335 Crank Sensor P0011 Timing Code
MOT impact

Will P0341 fail an MOT?

P0341 itself is not normally what directly fails an MOT. The MOT concern is what the fault causes. If it causes an emissions-related engine warning light, rough running, misfire, visible smoke, cutting out or emissions problems, it can become an MOT issue.

⚠️ Higher risk: engine warning light, misfire, smoke, poor emissions or cutting out.

⚠️ Medium risk: reduced power, rough idle, hard starting or related timing codes.

✅ Lower risk: repaired fault, no warning light and normal engine running.

Engine Light MOT Guide Common MOT Failures
Used car buying advice

P0341 on a car you want to buy

If a used car has P0341 stored, be careful. It may be a simple sensor or wiring issue, but it can also point to timing chain stretch, VVT faults or oil-service neglect.

Before buying, check service history, oil-change intervals, starting behaviour, engine noise, warning lights and whether other codes such as P0011, P0335, P0300 or P0340 are stored.

Used Car Buying Guides Inspection Checklist
Frequently asked questions

FAQs about P0341

Common questions about P0341 camshaft position sensor range/performance, safe driving, repair costs and MOT impact.

What does code P0341 mean?

P0341 means the ECU has detected a camshaft position sensor range or performance problem.

Can I drive with P0341?

Short careful driving may be possible if the car runs normally, but hard starting, cutting out, misfires or limp mode should be checked quickly.

What is the most common cause of P0341?

A faulty camshaft position sensor is common, but wiring, connector faults, timing chain issues and VVT problems can also cause it.

Can P0341 cause a no-start?

Yes. If the ECU cannot trust the camshaft signal, the car may crank but not start or may take longer to start.

Will P0341 fail an MOT?

It can contribute to an MOT issue if it causes an engine warning light, poor running, misfire, smoke or emissions problems.

Should I replace the cam sensor first?

Not before checking wiring, connector condition, oil condition, related timing codes and cam/crank signal behaviour.

About this guide

Written for practical UK fault finding

Motor Vehicle Expert explains diagnostic trouble codes in clear, mechanic-style language for UK drivers. This P0341 guide is designed to help you understand camshaft position sensor range/performance faults, likely causes, safe driving advice, repair costs and MOT implications before replacing parts.

Fault codes should always be treated as a diagnostic starting point. P0341 can involve sensors, wiring, connector condition, cam/crank timing, oil condition, VVT control and timing chain wear, so proper testing is better than guessing.