P0123 Diagnostic Trouble Code Discussion for April 2018
Throttle Position Sensor/APPS High
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| Help Request | Posted | |
| 1995 Jaguar XJ12 6.0L Excessive Emissions, Poor Idle Quality VIN: SAJJHALS4S P0123: TPS high voltage. Dealing with a "like new" 14000 miles 1995 XJ12 Engine starts ok when cold but after starting to warming up idle starts to fluctuate and mixture is very rich. Reason is because ECM is not reading correctly 5 sensors with one commom wire to PCM.... |
April 12, 2018 |
