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1998 BMW 328IS E36
2.8L I6 M52•RWD•AUTOMATIC•gas
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Repairs0Labor494Torque2174Fluid8DTC1210Battery1Maintenance0Recalls0
P0103moderate severityPowertrain

Mass Air Flow (MAF) Circuit High Input

on 1998 BMW 328is E36 2.8L I6 M52 · RWD

What this code means

The MAF sensor signal voltage is higher than the maximum expected value.

Symptoms

  • Check Engine Light
  • Lean fuel condition
  • Poor acceleration
  • Engine surge

Common causes

  • Faulty MAF sensor
  • Short to voltage in signal wire
  • Water damage to sensor

Diagnostic steps

  1. Check MAF sensor connector
  2. Test signal voltage
  3. Inspect wiring for shorts to power
  4. Test sensor output

Repair notes

Replace MAF sensor or repair wiring.

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