P0341 on a Mazda: Causes, Fixes & Repair Cost

🟠 Moderate severity · drivable

You can usually keep driving a Mazda with P0341, but rough idle or hesitation is possible, so get it checked soon.

What P0341 means on a Mazda

On a Mazda, P0341 means the engine control module sees a camshaft position signal from bank 1 that is outside the expected range. The sensor helps the computer time fuel and ignition on Mazda's SKYACTIV engines. When the reading drifts, you might notice a rough idle, hesitation, or a hard start.

Is P0341 common on Mazdas?

P0341 shows up on Mazda3, Mazda6, and CX-5 models as the camshaft position sensors age, usually on higher-mileage cars. Oil in the connector and timing chain stretch are also seen on this brand. The engine usually keeps running, but performance can suffer.

Commonly reported on: Mazda3, Mazda6, CX-5, CX-9.

Symptoms

Check engine light on
Rough idle or hesitation
Hard starting
Reduced fuel economy in some cases

Common causes

most common: Faulty camshaft position sensor
common: Oil or debris in the sensor connector
common: Chafed or damaged sensor wiring
less common: Stretched timing chain

How to fix it

Fix	DIY?	Typical cost
Clean and inspect the cam sensor connector	Yes	$10–50
Replace the camshaft position sensor	Yes	$90–200
Have the timing chain inspected if the code returns	Mechanic	$600–1600