P0100moderate severityPowertrain
Mass Air Flow (MAF) Circuit
on 2000 Jeep Wrangler 2.5L I4 · 4WD
What this code means
The PCM detected a general malfunction in the Mass Air Flow sensor circuit.
Symptoms
- Check Engine Light
- Poor acceleration
- Rough idle
- Engine stalling
- Black smoke
Common causes
- Faulty MAF sensor
- Dirty MAF sensor element
- Air leak after MAF
- Wiring issue
- Damaged air filter
Diagnostic steps
- Inspect MAF sensor for contamination
- Check for air leaks between MAF and throttle body
- Test MAF signal with scan tool
- Inspect wiring and connector
- Try cleaning MAF with approved cleaner
Repair notes
Clean MAF sensor with electronics cleaner. Replace if cleaning does not resolve.
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P0002
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P0004
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P0010
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P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
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