P0394

2017-10-10

Description:

  • The fault code P0394 indicates that there is an intermittent issue with the circuit that controls the camshaft position sensor for bank 2. This may cause the engine to run poorly or not start at all.

Possible Symptoms:

  • Engine runs poorly or not at all

  • Illuminated check engine light

  • Rough idle or stalling

  • Reduced engine power or acceleration

Possible Causes:

  • Failed camshaft position sensor

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • 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 or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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