CHECK ENGINE LIGHTS ON FLASHES TRUCK RUNS REALLY ROUGH

1998 Ford F-150

Tiny

Tony rothmeyer

June, 24, 2013 AT 1:08 PM

Start when got bad gas was able to fix with plugs, wires, fuel filter, started running fine someone put bad gas in again. So started over new plugs changed coil packs dig. Code says #3 mis firing. Light stays on then starts flashing if u take it out of over drive to raise rpms it will run better not great. Runs really rough feels like mis fire r that its carboned up. Getting only about 11 mpg wasn't sure if put new fuel filter r if had censor going bad r what next step is

FOUND 17083 RELATED QUESTIONS

2 Answers

Tiny

Jacobandnickolas

June, 24, 2013 AT 8:00 PM

Try running some injector cleaner in the fuel to see if that helps.

Tiny

Tony rothmeyer

June, 24, 2013 AT 10:39 PM

I have added it several times doesn't change it at all

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