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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 488 (Powertrain Diagnostic Procedures - Gas) >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0118-Engine Coolant Temperature Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

ECT SENSOR VOLTAGE ABOVE 4.96 VOLTS

ECT SENSOR

(K2) ECT SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE

(K2) ECT SIGNAL CIRCUIT OPEN

(K900) SENSOR GROUND CIRCUIT OPEN

PCM

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