P0108
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE goes on after two driving cycles.
Engine speed drops slower than normal when accelerator pedal is released.
Misfiring can occur before trouble code is generated.
Manifold Absolute Pressure Sensor Circuit. Short to B+.
Fault symptoms
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CHECK ENGINE goes on after two driving cycles.
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Engine speed drops slower than normal when accelerator pedal is released.
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Misfiring can occur before trouble code is generated.
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Conditions
The following conditions apply for this DTC:
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Engine running and voltage above 4.815 V for longer than 5 sec.
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Diagnostic help
Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.
Functions in the diagnostic tool related to the fault:
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Pressure sensor value, unit kPa. The value should correspond with the other two pressure sensors when the engine is stationary. Accepted difference is 10 kPa.
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See also description of test readings,
, for more information.
Checking the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.
