Bdupp23

hello, I’ve been recently trying to fix the misfire on my 2006 f150 4x4. Codes keep pulling p0300 and p0303 and p0302 once when I swapped the injector on 1 and 3(weird). Ive replace to coil Pack on 3 , didn’t seem to help. It idles normal but there is a significant power loss when you gas it and the check engine light flashes for 30 seconds then goes away. Plugs were changed about 40k miles ago. When I checked the plugs there was a little bit of orangish deposit on them , was thinking I could be the intake manifold gasket but not shure that would be it since it’s idles fine .

ive dumped over 6k fixing radiator, 4wd components , new transmission,new wheel bearings . I’m pulling my hair out , just want a decent running vehicle

TIA

techrep

iTrader: (1)

Flashing CEL indicates a mis-fire condition... replace all 8 plugs along with boots and springs. Inspect each plug prior to install.. SP 515’s have been known to be bad from the package..