2006 Ford F250 PU - 5.4L Erractic Misfire
-
COACHJON94
- Member
- Posts: 1
- Joined: Thu Jan 07, 2010 8:13 am
2006 Ford F250 PU - 5.4L Erractic Misfire
Has misfire that moves from cylinder to cylinder. using alot of gas. dealer said cats were bad, temporary cleaned out untill new pipe comes in, they were'nt bad. all o2 sensor readings go to zero after running few minutes. HELP! snow plow truck and its going to snow!
-
steven kiser
- 5K Holy Smokes Contributor
- Posts: 6184
- Joined: Fri Jul 06, 2007 4:58 am
- Location: eastern ma.
Re: 2006 f250 5.4 eractic misfire
check for crack in intake. huge issue with these. poss bad maf. welcome to the forum........
never argue with a fool, they'll drag you down to their level and beat you with experience
-
steven kiser
- 5K Holy Smokes Contributor
- Posts: 6184
- Joined: Fri Jul 06, 2007 4:58 am
- Location: eastern ma.
Re: 2006 Ford F250 PU - 5.4L Erractic Misfire
a bad pressure regulator (fuel) may cause an issue like this. i've seen diaphragms leaking into the vac line loading the intake with fuel. this kind of sounds like something i'de be inclined to look into.......................
never argue with a fool, they'll drag you down to their level and beat you with experience