DTC code
P0103
Mass or Volume Air Flow Circuit High Input
Technical guide
Symptoms
- Poor performance
- check engine light
- possible limp mode
Probable causes
- MAF sensor signal too high
- short to voltage in MAF circuit
- failed MAF
Diagnostic steps
- Check MAF wiring for short to power.
- Replace MAF sensor.
Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.
AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.
0 confirmed cases on P0103
Nothing confirmed yet for this code. No guess is offered on purpose.
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