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P0118 Diagnostic Trouble Code Discussion for March 2009

ECT Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P0118
Help Request Posted
1999 Jeep Grand Cherokee Limited 4.7L No Start, Hesitation, MIL Lamp on VIN: 1J4GW68N4X
P0118: Engine Coolant Temperature Sensor Circuit High Voltage. truck has a new air temp sensor from mopar . coolant sensor always reads fine on scan tool from otc . truck had a tps fault also last week . i replaced the clock spring for that code & it didnt come back .air temp reads 0 degs at times when its 70 degs out...
March 12, 2009