Mechanics

FORD F-150 COMPRESSION PROBLEM

2002 Ford F-150 • 239,000 miles

I went down a muddy/ wet road through some water, truck ran fine until I got home and a hour later I started it up and now it is misfiring
Avatar
Ianlevalley
November 1, 2012.




You need to find which cylinder is miss firing.

What motor?

Roy
AD

It is the 6th, and 4.6l efi

Tiny
Ianlevalley
Nov 1, 2012.
Ok, miss fires come from compression, plug, coil, vacuum leak, injector failure or wiring issue.

Check these. Most common is the plug and coil

Roy


AD