What does code P0340 mean on a Acura and is it safe to drive?
P0340: Camshaft Position Sensor Circuit Malfunction. Here's what it means on your Acura, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
What this code means
The PCM is not receiving a valid signal from the camshaft position sensor. Affects ignition timing and fuel injection.
Common causes for your Acura
- Failed camshaft position sensor
- Wiring or connector issue
- Timing chain/belt misalignment (less common)
Symptoms
- Check Engine Light
- No start or hard start
- Rough run, stalling
- Reduced power
Typical fixes
- Replace camshaft position sensor
- Repair wiring/connector
- Verify timing if sensor replacement doesn't fix
Repair cost range
For a Acura, repairs for P0340 often fall between $100 and $500, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Acura
Acura P0340 cam position sensor fault on J-series and K-series engines is typically a sensor failure or connector corrosion. These engines have excellent cam timing chain durability. If P0340 appears alongside a rough idle or timing-related symptoms, also check VTC actuator function on K-series engines.
Most commonly affected models