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Home >> GMC >> 1990 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Symptoms (Diesel) >> Engine Will Not Shut Off With Key
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Engine Will Not Shut Off With Key

ENGINE WILL NOT SHUT OFF WITH KEY

Possible Cause Correction
Injection pump fuel solenoid doesn't return to off position Check solenoid operation, see SYSTEM/COMP TESTS