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P0117 Diagnostic Trouble Code Discussion for January 2006

Engine Coolant Temperature Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0117
Help Request Posted
1997 GMC Yukon SLE 5.7L Stall, MIL Lamp on VIN: 1GKEK13R9V
P0117: ECT Sensor Circuit Low Voltage. After running through some sensor wiring verification tests, I've discovered that the CSFI unit has sprung a leak and pushed fuel into the PCM through connectors C1 and C2. I've heard of this but never had one yet. The question is, other than fixing the fuel l...
January 26, 2006