P0338 Diagnostic Trouble Code Discussion for December 2005
CKP Sensor Circuit High Duty Cycle
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| Help Request | Posted | |
| 1999 Chevrolet C3500 7.4L Excessive Emissions VIN: 1GCDC5TTTV P0338: CKP Sensor Circuit High Duty Cycle. Thanks in advance for any help. This truck came in for a smog inspection. Failed as a gross polluter for hc at idle. Engine runs good, no misfires. Could not find anything that jumped out at me. At idle the short term fuel trim is right around 0 both banks, go... |
December 13, 2005 |
