Mechanics

EXHAUST BACKFIRE

1987 Ford F-600

Engine Performance problem
1987 Ford F-600 V8 Two Wheel Drive Automatic 43,000 miles

CAN YOU GIVE ME SUGGESTIONS TO FIX AN EXHAUST BACKFIRE. IT ONLY HAPPENS AT IDLE OR WHEN I REV THE ENGINE AS IT THROTTLES DOWN.
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GORKLLC
October 17, 2010.



Check the ignition timing and air injection system-such as the diverter valve/check valve

Rasmataz
Oct 17, 2010.


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