P0338 OBD II Trouble Code Crankshaft Position Sensor A Circuit High Input
Symptoms of P0338 OBD II Trouble Code
The engine will not start
The tachometer (if equipped) does not register RPM when the engine is cranked
Hesitation upon acceleration
Poor engine performance
Diminished fuel efficiency
Common Causes of P0338 OBD II Trouble Code
Defective CKP sensor
Open or shorted wiring to the CKP sensor
Corroded or fluid soaked connector at the CKP sensor
Faulty PCM or PCM programming error
Alternator overcharging and affecting PCM operation
Severity of P0338 OBD II Trouble Code
When a P0338 is stored, a no-start condition will likely accompany it. For that reason, this code should be categorized as severe. If the engine will start and run, there remains a high risk of a no-start condition in the near future.
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