Mechanics

MY TRUCK HAS V8 4.6 IT SEAMS TO HESITATE AND BACKFIRES WHEN I ACCELERATE

1999 Ford F-150 • 170 miles

Iit backfires it loops, backfires
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Sewerworker
February 1, 2012.



If the check engine light has come on, have the computer scanned for trouble codes. Also, check for vacuum leaks. Finally, check the idle air control valve for proper operation.