P0341: How to Diagnose & Fix — Camshaft Position Sensor Circuit Range/Performance (Bank 1)
30 vehicles · 12 makes · $200-$10,000 repair
How to diagnose and fix P0341: most-reported vehicles
Ranked by owner reports. Each card gives the symptoms, how to confirm the cause, the fix, parts and sources for that vehicle.
Ford Expedition · 2004–2014
The 5.4L 3-valve (3V) Triton V8 in 2004-2014 Ford Expedition is notorious for cam phaser failures and timing chain stretch, representing one of the most common and expensive repairs on these trucks. The VCT (Variable Camshaft Timing) system uses oil pressure to actuate the cam phasers - when phasers wear out or chains stretch, the engine sets multiple camshaft correlation codes and rattles on startup. The factory oil pump also wears out at similar intervals, compounding the problem. Running low on oil or using the wrong viscosity dramatically accelerates failure. Left unrepaired, a failed phaser can cause a chain to jump timing, resulting in bent valves and catastrophic engine damage. Repair typically requires complete timing system replacement including both cam phasers, all four timing chains, guides, and tensioners - a 12-16 hour job.
Common Symptoms
- Loud rattling/knocking from engine on cold start (top-end rattle)
- Check engine light with codes P0340, P0341, P0344, P0345, P0346, P0349 (cam sensor/phaser codes)
- Codes P0016, P0017, P0018, P0019 (camshaft-crankshaft timing correlation)
- Rough idle, especially when cold
- Engine surging at idle
- Loss of power and poor fuel economy
- Rattle that worsens on acceleration at low RPM
- Multiple misfire codes accompanying timing codes
How to Fix
Complete timing system overhaul: replace both VCT cam phasers, timing chains (primary and secondary), all chain guides, and tensioners as a complete kit. Motorcraft timing chain and phaser kit (TKIT-2004A-MGA or dealer equivalent) is recommended. Also replace the oil pump if over 80,000 miles - worn pump cannot supply adequate oil pressure for VCT system. Use 5W-20 full synthetic oil only. Change oil every 5,000 miles maximum. Labor: 12-16 hours on Expedition due to 4WD and engine mounts.
Sources for this issue (1)
Acura MDX · 2001–2006
First-generation MDX models with the J35 V6 are prone to timing belt tensioner bearing failure and simultaneous water pump leaks when the timing belt service is neglected past 105,000 miles. The hydraulic tensioner loses pressure, allowing the belt to skip teeth and potentially bend valves on this interference engine.
Common Symptoms
- Ticking or rattling noise from front of engine on startup
- Coolant leak from water pump weep hole
- Engine runs rough after high-mileage
- Squealing noise from belt area
- Engine misfires at high RPM
How to Fix
Replace the timing belt, tensioner, water pump, and all idler pulleys as a complete kit at 105,000 miles or 7 years, whichever comes first. Use genuine Honda/Acura components or the verified AISIN kit matched to the year split: TKH-001 for 2001–2002 and TKH-002 for 2003–2006. Never reuse the old tensioner even if it appears functional. This is a critical interference engine — a broken belt destroys the valves.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- 2001–2002 AISIN TKH-001Fits 2001-2002
Verified repair component. Approved replacement: 2001–2002 AISIN TKH-001.
- 2003–2006 AISIN TKH-002Fits 2003-2006
Verified repair component. Approved replacement: 2003–2006 AISIN TKH-002.
As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.
Owner tips & cautions
- WarningThis is an INTERFERENCE engine. If the timing belt breaks, the pistons hit the valves and you are looking at a $3,000-5,000 head repair. Do the belt, tensioner, and water pump together at 100k miles — it is the single most important maintenance item on these engines.
Sources for this issue (2)
Porsche Cayenne · 2008–2018
The timing chains on the Cayenne V8 and VR6 engines stretch over time, and the hydraulic tensioners lose effectiveness. On the V8, the timing system is at the rear of the engine, making repair extremely labor-intensive. Chain stretch leads to retarded timing, rough running, and eventually catastrophic valve damage if the chain jumps.
Common Symptoms
- Rattling noise on cold start
- Check engine light with camshaft timing codes
- Rough idle
- Reduced power and throttle response
- Progressive worsening of startup rattle
How to Fix
Replace timing chains, tensioners, and guides. On the V8 this is a major job requiring engine removal or significant drivetrain disassembly. Budget 20-30 hours labor. The VR6 is somewhat more accessible. Use updated Porsche tensioner parts.
Owner tips & cautions
- WarningThe V8 timing chain job on a Cayenne is $6,000-$9,000 at a specialist. Do not defer this repair — a jumped chain destroys the engine and turns it into a $15,000+ problem.
Sources for this issue (4)
Audi A5 · 2008–2017
Volkswagen Beetle · 2006–2019
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P0341 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0341 mean?
P0341 stands for "Camshaft Position Sensor Circuit Range/Performance (Bank 1)." This code means the camshaft position sensor on Bank 1 is sending a signal that is present but doesn't make sense to the engine computer (a range/performance fault), often because it disagrees with the crankshaft position signal. The cam sensor tells the computer where the camshaft is so it can correctly time fuel injection and spark, and on engines with variable valve timing it also confirms cam phaser movement. When the signal is out of range, intermittent, or doesn't correlate properly, the computer flags this code, and you may notice hard starting, rough running, or reduced power. Causes are commonly a worn sensor, a stretched timing chain, or a problem with the cam phaser/tone ring.
What are the most common causes of P0341?
The most common causes of P0341 are: Failed or weak camshaft position sensor, Damaged or corroded sensor wiring/connector, Stretched or worn timing chain causing cam timing drift, Faulty variable valve timing (VVT) cam phaser or solenoid, Damaged camshaft reluctor (tone) ring, Low or dirty engine oil affecting VVT operation, Incorrect sensor air gap or installation, Faulty PCM/ECM (rare). The specific cause varies by vehicle.
How much does it cost to fix P0341?
Repair costs for P0341 range from $200 to $10,000, depending on the vehicle and root cause.
Which vehicles are affected by P0341?
Au7o has documented P0341 across 30 vehicle models from 12 manufacturers: Acura, Audi, CUPRA, Cadillac, Chevrolet, Ford, Honda, Mercedes-Benz, Porsche, SEAT, Skoda, Volkswagen.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.