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P0125 Diagnostic Trouble Code Discussion for December 2005

Insufficient Coolant Temperature For Closed Loop


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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
1999 Chevrolet C3500 7.4L Excessive Emissions VIN: 1GCDC5TTTV
P0125: Engine Coolant Temperature Insufficient For Closed Loop Fuel Control. 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
1999 Chevrolet C3500 7.4L Excessive Emissions VIN: 1GCDC5TTTV
P0125: Engine Coolant Temperature Insufficient For Closed Loop Fuel Control. 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