Scoupe L4-1468cc 1.5L SOHC VIN J MFI (1994)
Mass Air Flow Sensor: Testing and Inspection
Circuit Diagram
Troubleshooting Procedures
Troubleshooting Hints
1. If the engine stalls occasionally, crank the engine and shake the mass air flow sensor harness. If the engine stalls, check the poor contact of the
mass air flow sensor connector.
2. If the mass air flow sensor output voltage is other than the ignition switch is turned on (do not start the engine). Check for the faulty mass air flow
sensor or engine control module.
3. If the engine can be idle even if the mass air flow sensor output voltage is out of specification, check for the following conditions;
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Disturbed air flow in the mass air flow sensor Disconnected air duct, clogged air cleaner filter.