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P0103 — MAF Circuit High Input

The MAF sensor voltage is higher than expected.

Severity: HighRepair: $100-$350Difficulty: Easy

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Common symptoms of P0103

Common causes of P0103

Repair cost & difficulty

Typical cost to fix P0103: $100-$350 · Difficulty: Easy

Pro tip: A high-reading MAF usually needs replacement. Cleaning rarely fixes a sensor that reads too high.

Vehicles commonly affected

All makes

Related trouble codes

P0100P0101P0102

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.