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Home >> Land Rover >> 1994 >> Defender 90 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Performance Self-Diagnostics >> Diagnostic Tests >> Code 12: Mass Airflow Sensor Fault >> Code Set Criteria

Code Set Criteria

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Code will set if Mass Airflow (MAF) sensor signal is less than 1.22 volts with engine running, or greater than 4.96 volts with engine speed less than 976 RPM for more than 1.6 seconds.

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