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Home >> GMC >> 1987 >> Forward Control 5.7 M, Automatic, 400/M40 >> Repair and Diagnosis >> Engine Performance >> System >> CCC TBI Tests W/Codes >> Diagnostic Charts >> Code 32 - EGR System Failure (2.8L) >> Diagnostic Aids

Diagnostic Aids

With ignition on and engine stopped, EGR solenoid is de-energized unless diagnostic terminal is grounded.

Fig 1: Code 32 - EGR System Failure (2.8L)

G12336

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