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Home >> Cadillac >> 1987 >> Cimarron V6-173 2.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Function Selector Positions >> Airflow >> With Speed Density

With Speed Density



This display indicates air flow in grams per second (gm/sec). Readings should be the same as for the Mass Air Flow (MAF) sensor position (4-7 gm/sec) if no malfunction exists in the MAF circuit. If trouble code 33 or 34 is set, the reading will remain fixed at the value that the failure has detected.

NOTE: Vehicles equipped with Speed Density Do Not use the Mass Air Flow (MAF) sensor. There will be no output signal. Test as a 1989 vintage vehicle.
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