Operation CHARM: Car repair manuals for everyone.

P0108

Test 1 - 3:




Test 4 - 8:






SYMPTOM
P0108-INLET AIR PRESSURE SENSOR VOLTAGE TOO HIGH

WHEN MONITORED
With the ignition on and battery voltage greater than 10.4 volts.

SET CONDITION
The circuit voltage to the ECM is above a calibrated threshold for a certain period of time.

POSSIBLE CAUSES
- Other DTC's present
- Inlet air pressure sensor
- Inlet air pressure sensor signal circuit shorted to voltage
- Ambient air sensor supply circuit shorted to voltage
- Signal circuit shorted to 5 volt supply
- Return circuit open
- ECM
- Intermittent condition