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Home >> Ford >> 1985 >> Bronco 5.8 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 5.0L/5.8L Feedback Carburetor Tests W/Codes >> Quick Tests >> Timing Check

Timing Check

Disconnect grounded jumper wire from self-test input. Start engine and reconnect grounded jumper wire to self-test input. Check timing within 2 minutes after display of last code. If timing is 27 33° BTDC, proceed to Engine Running Self-Test. If timing is not 27-33° BTDC, proceed to TEST T - SPARK TIMING CHECK  .

NOTE: If engine stalls while testing, proceed to TEST D - NO/WRONG CODES  , step 10).


Disconnect grounded jumper wire from self-test input. Start engine and reconnect grounded jumper wire to self-test input. Check timing within 2 minutes after display of last code. If timing is 27 33° BTDC, proceed to Engine Running Self-Test. If timing is not 27-33° BTDC, proceed to TEST T - SPARK TIMING CHECK  .

NOTE: If engine stalls while testing, proceed to TEST D - NO/WRONG CODES  , step 10).