Possible causes – Faulty Engine Fuel Temperature Sensor– Engine Fuel Temperature Sensor harness is open or shorted– Engine Fuel Temperature Sensor circuit poor electrical connection When is the code detected? An excessively high voltage is sent to Powertrain Control Module
Possible causes – Faulty Fuel Temperature Sensor– Fuel Temperature Sensor harness is open or shorted– Fuel Temperature Sensor circuit poor electrical connection Tech notes Replaced Fuel Temperature Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0188
Possible causes – Faulty Fuel Temperature Sensor– Fuel Temperature Sensor harness is open or shorted– Fuel Temperature Sensor circuit poor electrical connection Tech notes Replaced Fuel Temperature Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0188