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Home >> Land Rover >> 1993 >> Defender 110 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.9L & 4.2L >> Diagnostic Tests >> Code 19: Throttle Position Sensor Input Low/Mass Airflow Sensor High Output
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Code 19: Throttle Position Sensor Input Low/Mass Airflow Sensor High Output

Test throttle position sensor and mass air flow sensor. Perform Test "H". See Figure and Figure . After completing the tests, retest the vehicle to ensure the faults have been rectified. If faults still persist, recheck using Lucas diagnostic equipment.