Fault codes › P0338

P0338

Crankshaft Position Sensor A Circuit High Input

Generic code Ignition System High severity Moderate repair
Free on OBD DashX

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iWhat P0338 means

  • The fault code P0338 indicates that there is a high input signal from the crankshaft position sensor 'A' circuit. This may cause the engine to run poorly or not start at all.

!Possible symptoms

  • Illuminated check engine light
  • Engine may not start
  • Engine may stall or run roughly
  • Reduced engine power or acceleration.

?Possible causes

  • Failed or faulty crankshaft position sensor
  • Corrosion on the sensor connector
  • Damaged wiring or connectors in the circuit
  • Failed engine control module (ECM)

⚙Related parts

  • Crankshaft Position Sensor: The crankshaft position sensor monitors the position of the crankshaft to regulate fuel injection. Problems lead to engine misfire and engine stalling

✓Possible solutions

  • Replace the crankshaft position sensor
  • Clean or replace corroded sensor connectors
  • Check and repair damaged wiring or connectors in the circuit
  • Replace the engine control module (ECM) if necessary
Free on OBD DashX

P0338 on OBD DashX

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