OBD-II code · Powertrain (generic)

P0349 Camshaft Position Sensor A Circuit Intermittent (Bank 2)

Camshaft Position Sensor A Circuit Intermittent (Bank 2): 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 P0349?

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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.