Code 12: Mass Airflow Sensor Fault

Test mass airflow sensor. Perform Test "D". See Fig 1 -Fig 3 . After completing the tests, retest the vehicle to ensure the faults have been rectified. If faults still persist, recheck using Lucas diagnostic equipment.

Fig 1: Test "D" (1 Of 3)

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Fig 2: Test "D" (2 Of 3)

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Fig 3: Test "D" (3 Of 3)

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