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P1115 Diagnostic Trouble Code Discussion for November 2006

General Temperature Rationality

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Trouble Ticket Help Requests for DTC P1115
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
P1115: ECT Sensor Circuit Intermittent High Voltage. 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