P0338 Diagnostic Trouble Code Discussion for November 2006
CKP Sensor Circuit High Duty Cycle
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| Help Request | Posted | |
| 1999 Chevrolet Express 3500 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHG35R9X P0338: CKP Sensor Circuit High Frequency. The check engine light just came on prior to the running problem which is it stalls out, runs rough or the vehicle will all of a sudden idle at 3000 rpm. When you step on the throttle she will pop back slightly and bog down. MAP checks out at 2.7 to 3.7 volts ... |
November 14, 2006 |
