Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-130A

Condition




The engine determines the mass air flow based on the throttle position, engine speed (RPM), intake air temperature (IAT) and atmospheric pressure. A comparison is made between the calculated value and the value measured from the mass air flow (MAF) sensor.

Substitute value
- None.

Possible source

Faulty signal
- Air leakage in the intake system
- Contaminated throttle disc
- Blocked crankcase ventilation or positive crankcase ventilation (PCV) nipple.
- Damaged mass air flow sensor.

Fault symptom[s]
- Poor performance.