2007 Ford Explorer 4.6l 3v Missing/Bad Coils
I just got a 07 Explorer Ltd with the 4.6l 3v engine that sounded like a lawn mover when running. The CEL light on with codes P0171 Bank 1 system lean,P0300 random misfire,P0304 Cyl 4 misfire, P0305 C...
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Now I got a P0420 low catalytic efficiency code for bank one. Interesting thing through all the driving with misfires I didn't get that code until all plugs were changed.
