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HOMESERVICE MANUALSPONTIAC1991FIREBIRD FORMULA, 5.0 F, STANDARD, M39REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 6 (ENGINE CONTROLS - BASIC TESTING)BASIC IGNITION SYSTEM CHECKS (C-4)IDI (2.3L)CRANK ANGLE SENSOR SIGNAL
1991 Pontiac Firebird Formula, 5.0 F, Standard, M39

Crank Angle Sensor Signal

1991 Pontiac Firebird Formula, 5.0 F, Standard, M39SECTION Crank Angle Sensor Signal
WARNING: This page does not describe the selected car, but rather 39 other vehicles, including the 1992 Saturn SL2, 1992 Saturn SL1, 1992 Saturn SL, 1992 Saturn SC, and 1992 Pontiac Sunbird. However, it is still accessible from the selected car via links, so may be relevant.

Set DVOM on the 2-volt AC scale. Connect voltmeter leads to crank angle sensor, located on side of engine block. Crank engine and observe voltmeter reading. Crank angle sensor should generate a voltage signal of about .01 volt at slow cranking speed to greater than .02 volt (20 mV) at high cranking speed.

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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