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Old 11-03-2009, 01:56 PM   #26
fxdxharley
Just a nother gear head
 
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Join Date: Jul 2009
Location: Barrington NH
Posts: 501
Re: 2000 6.0L runs rough and stumbles

Quote:
Originally Posted by clinebarger View Post
Im guessing no check engine light? Like posted before the MAF can go bad and not set a light. EGR valve stuck part way open, Vacuum leaks, TPS sensor with a dead spot. If you do have bosch plugs throw them away there junk. Ive always ran NGK V-power plugs there cheap and a good plug never had a problem.

have you checked fuel pressure? Key on engine off 55-62 PSI.
Nope no check light. I've unpluged both the maf and tps and ran it to see if there was a difference none noticed. i do have the bosh platums. How can i check to see if the egr valve is stuck? Never check feul pressure. I hope its good, the pump is only 2 yrs old.
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