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P1112 Diagnostic Trouble Code Discussion for September 2013

IAT Sensor Circuit Intermittent Low Voltage


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Trouble Ticket Help Requests for DTC P1112
Help Request Posted
2002 GMC Savana 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTGG29R62
P1112: IAT Sensor Circuit Intermittent Low Voltage. Vehicle was brought in with complaint of bucking/making noise. Drove, noted solid CEL in park, once in gear flashing CEL and notable misfire. IAT reading was initially boucing between -38f and 262f with short periods of somewhat normal functioning. Wiggle test...
September 16, 2013
2002 GMC Savana 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTGG29R62
P1112: IAT Sensor Circuit Intermittent Low Voltage. Vehicle was brought in with complaint of bucking/making noise. Drove, noted solid CEL in park, once in gear flashing CEL and notable misfire. IAT reading was initially boucing between -38f and 262f with short periods of somewhat normal functioning. Wiggle test...
September 16, 2013