P0343


2017-10-10


Description:

  • The fault code P0343 indicates that there is a high input detected in the circuit that controls the camshaft position sensor for bank 1 or the single sensor. This may result in a variety of engine performance issues.

Possible Symptoms:

  • Illuminated check engine light

  • Rough engine idle or stalling

  • Reduced engine power or acceleration

  • Engine may not start

Possible Causes:

  • Faulty camshaft position sensor

  • Damaged or faulty wiring in the sensor circuit

  • Poor electrical connections in the sensor circuit

  • Failed engine control module (ECM)

Related Parts:

  • Camshaft Position Sensor: The camshaft position sensor monitors the position of the camshaft to regulate fuel injection. Problems lead to stalling or car failing to start.

Possible Solutions:

  • Replace the camshaft position sensor

  • Check and repair any damaged wiring in the sensor circuit

  • Ensure all electrical connections in the sensor circuit are clean and tight

  • Replace the engine control module (ECM) if necessary

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