P0341

P0341 Camshaft Position Sensor Circuit Range/Performance Bank 1

P0341 means the camshaft position sensor reading is out of range on Bank 1. UK repair costs and fixes for OBD2 fault code P0341.

UK Repair Cost
£60–£300
MOT Risk
May affect MOT — get it checked
Safe to Drive?
Drive with caution — cam sensor faults can cause stalling or failure to start.

At a glance: P0341 for UK drivers

Fault family
Misfire and combustion
Best first check
Check whether the signal quality degrades with heat or RPM.
Typical garage risk
Performance codes are more subtle than simple open-circuit faults. Swapping the sensor can miss timing drift or trigger problems.

How to use this page

This page explains the code in plain English and gives indicative UK repair and MOT context. It does not confirm the exact failed part. Vehicle age, engine, related codes, live data, and workshop inspection can all change the final diagnosis and quote.

What does fault code P0341 mean?

P0341 means the camshaft position sensor reading is out of range on Bank 1. UK repair costs and fixes for OBD2 fault code P0341. When this fault is detected, the ECU (Engine Control Unit) stores the code and usually illuminates the check engine light on the dashboard.

In practice, P0341 should be treated as a misfire and combustion problem first, not as proof that one named part has failed. The value of the code is in narrowing the system, checking related data, and avoiding the usual misdiagnosis before parts are ordered.

Symptoms of fault code P0341

The primary symptom is an illuminated check engine light (malfunction indicator lamp) on your dashboard. Depending on the severity of the fault, you may also experience rough running, reduced fuel economy, or changes in engine performance. Some vehicles show no drivability symptoms at all — the warning light may be the only indication of a problem.

What causes P0341?

Fault code P0341 is triggered when the vehicle's ECU detects a reading or performance level outside the expected range for that system. P0341 means the camshaft position sensor reading is out of range on Bank 1. UK repair costs and fixes for OBD2 fault code P0341. Common causes include sensor failure, wiring faults, mechanical issues, or secondary faults caused by another problem elsewhere in the vehicle. A full diagnostic scan should always be carried out to check for related fault codes before any parts are replaced.

How to fix P0341

The repair approach for P0341 depends entirely on the root cause identified during diagnosis. Always start by scanning for any related fault codes that might indicate the primary fault. Check wiring and connectors before replacing sensors or components. If the fault is sensor-related, replacement is usually straightforward. If the fault indicates a mechanical issue, a qualified mechanic should assess the vehicle before any work is carried out. After any repair, clear the code and road test to confirm the fix.

UK repair cost for P0341

The typical UK cost to diagnose and repair fault code P0341 ranges from £60 to £300 including parts and labour at average UK workshop rates, including VAT. Costs vary significantly by vehicle make and model, and by region. Independent garages are typically 30–50% cheaper than franchised main dealers. Always get at least two quotes, and ask the garage to confirm the fault cause before authorising any repair.

What usually triggers P0341 on UK cars

P0341 is the cam-signal range/performance version, so it often appears when the signal is present but implausible. Timing drift, poor air gap, or intermittent signal quality are common triggers.

Checks that save money before replacing parts

  1. Check whether the signal quality degrades with heat or RPM.
  2. Compare live synchronization data if available.
  3. Inspect wiring, mounting, and any trigger-wheel issues before replacing parts.

Common misdiagnosis to avoid

Performance codes are more subtle than simple open-circuit faults. Swapping the sensor can miss timing drift or trigger problems.

Questions to ask your garage about P0341

  • Was the signal implausible rather than absent?
  • Did synchronization drift show up on live data?
  • What ruled out trigger-wheel or timing issues?

P0341 and the UK MOT test

Fault code P0341 does not directly cause an automatic MOT failure, but an illuminated check engine light (MIL) is an automatic MOT failure under DVSA rules. If the warning light is on when you arrive for your test, the vehicle will fail. Get this fault diagnosed and the light cleared before your MOT appointment.

Even if the light is not currently on, if the fault is intermittent it could reappear during the test. Use our AI Diagnostic Report to understand the MOT risk specific to your vehicle and get advice on whether it is safe to proceed to your test.

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Frequently asked questions about P0341

Can I drive with fault code P0341?

Drive with caution — cam sensor faults can cause stalling or failure to start.

Will P0341 clear itself?

Some fault codes will clear automatically after the underlying issue resolves itself, but P0341 typically stays stored until the fault is fixed and the code is manually cleared with an OBD-II scanner. Do not assume the problem has gone away if the light turns off temporarily.

Do I need a garage or can I fix P0341 myself?

Whether P0341 can be fixed at home depends on the root cause. Sensor replacements are often achievable for confident home mechanics. Mechanical or electrical faults usually require specialist tools and knowledge. Always get a full diagnosis before attempting any repair.

How much does it cost to fix P0341 in the UK?

UK repair costs for P0341 typically range from £60 to £300 depending on your vehicle, the root cause, and your local garage rates. Use our AI Diagnostic Report for a cost estimate specific to your car.

Related OBD2 codes

These fault codes are commonly found alongside P0341 or share similar causes:

P0300
Random/Multiple Cylinder Misfire Detected
P0301
Cylinder 1 Misfire Detected
P0302
Cylinder 2 Misfire Detected
P0303
Cylinder 3 Misfire Detected
P0304
Cylinder 4 Misfire Detected

Last updated: June 2026. AI-Diagnostics-Pro provides AI-generated information for educational purposes only. It is not a substitute for professional automotive advice. Always consult a qualified mechanic before carrying out vehicle repairs. Repair cost estimates are approximate and may vary by region and vehicle.