1997 f150 6cyl computer said #1 plug not firing, replaced all plugs and wires. no change, runs real wruff

Asked by Jul 04, 2014 at 09:01 PM about the 1997 Ford F-150 STD Extended Cab SB

Question type: Maintenance & Repair

1 Answer

64,925

Check that the fuel injector on that cylinder is spraying. If it is then compression test that cylinder. Could be a bad valve. HTH. -Jim

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