possibly running rich
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Junior User
Joined: Feb 2011
Posts: 91
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possibly running rich
My 00 excursion v10 tail pipe is pretty black. I replaced cop and plugs all motor craft and a new motor craft airfilter. Seems to run good. No codes. I am thinking of seafoaming the gas and intake on it
Elder User
Joined: Nov 2007
Posts: 528
Likes: 1
From: Canada, ON New Market
if you do have an issue with running rich, I personaly dont think you do but any things possible, the cause's of your problem would be the maf and oxygen sensors, theres also the possiblity of a jammed injector, you'll need a good tunner to check the short term fuel trims to see if theres a problem.
Last edited by Skoda; Apr 7, 2011 at 07:08 AM. Reason: spelling
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
if it ain't broke, don't fix it - try everything BUT that stuff first.
MAYBE if you were going to add it to the fuel, and burn it, but that "stick the brake booster hose in it and run the engine" thing, well, that's just crazy.
MAYBE if you were going to add it to the fuel, and burn it, but that "stick the brake booster hose in it and run the engine" thing, well, that's just crazy.
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