MAF Sensor And ACT Sensor Circuit Wiring Diagram (1990 5.0L V8 Ford Mustang)

APPLIES TO: This mass air flow (MAF) and air charge temperature (ACT) sensor circuit wiring diagram applies to the following vehicles:

• 5.0L V8 Ford Mustang: 1990.

NOTE: This wiring diagrams includes the following component circuits:

• Mass Air Flow (MAF) Sensor.
• Air Charge Temperature (ACT) Sensor.
• EEC Power Relay (PCM Power Relay).

MAF SENSOR TESTS: The following tutorial will help you test the MAF sensor with a multimeter:

• How To Test The MAF Sensor (1990-1995 5.0L V8 Ford Mustang).

MAF Sensor Circuit Wiring Diagrams

• MAF Sensor And ACT Sensor Circuit Wiring Diagram (1991-1992 5.0L V8 Ford Mustang).
• MAF Sensor And IAT Sensor Circuit Wiring Diagram (1993 5.0L V8 Ford Mustang).

More 5.0L V8 Ford Mustang Diagnostic Tutorials

You can find a complete list of wiring diagrams and diagnostic tutorials for the 5.0L V8 Ford Mustang in this index:

• 5.0L V8 Ford Mustang Index Of Articles.

Here's a sample of the diagnostic tutorials you'll find in the index:

• How To Test The Fuel Pump (1990-1995 5.0L V8 Ford Mustang).
• How To Test The Throttle Position Sensor (1994-1995 5.0L Ford Mustang).
• How To Test For A Blown Head Gasket (1990-1995 5.0L V8 Ford Mustang).
• How To Do And Interpret An Engine Compression Test (1990-1995 5.0L V8 Ford Mustang).