Mass Air Flow Meter (MAF Meter)

Condition(s):

NOTE: This sensor is an integral part of the ECM and cannot be serviced, its failure will result in the ECM being renewed

DTC P0101 Mass or volume circuit range/performance problem
Possible Source(s):
- Blocked air cleaner
- Poor air system sealing
- Engine breather leak
- Throttle control malfunction
- Barometric pressure sensor fail (see note below)
- Crank position sensor fail Harness open circuit
- Harness short
- Connector loose or corroded
- ECM fail

Action(s) to take:
- Go to Pinpoint Test V P0101


DTC P0102 Mass or volume circuit low input
Possible Source(s):
- Sensor (+) open circuit
- Sensor ground open circuit
- Harness open circuit
- Harness short
- Connector loose or corroded
- ECM fail

Action(s) to take:
- Go to Pinpoint Test W P1104


DTC P0103 Mass or volume circuit high Input
Possible Source(s):
- Sensor (+) open circuit
- Sensor ground open circuit
- Harness open circuit
- Harness short
- Connector loose or corroded
- ECM fail

Action(s) to take:
- Go to Pinpoint Test W P1104


DTC P1104 Mass or volume circuit ground malfunction
Possible Source(s):
- Sensor (+) open circuit
- Sensor ground open circuit
- Harness open circuit
- Harness short
- Connector loose or corroded
- ECM fail

Action(s) to take:
- Go to Pinpoint Test W P1104