OBD-II code · Powertrain (generic)
P0344 Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor)
Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor): the signal is intermittent or erratic. This relates to engine timing; a fault can cause rough running, a no-start, or timing errors.
Is it safe to drive with P0344?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIntermittent connector
- Less likelyConnector with intermittent contact under vibration
- Less likelyHarness routed against vibrating component
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2.5 h
- Emissions test
- Likely to fail
- Parts involved
- Camshaft Position Sensor
Related codes
- P0341Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1)
- P0342Camshaft Position Sensor "A" Circuit Low Input (Bank 1)
- P0343Camshaft Position Sensor "A" Circuit High Input (Bank 1)
- P0345Camshaft Position Sensor "A" Circuit (Bank 2)
- P0346Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2)
- P0347Camshaft Position Sensor A Circuit Low (Bank 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.