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Check Engine Lean Code

Eggy44

Member
Joined
March 9, 2009
Messages
11
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0
City, State
Madison, WI
Year, Model & Trim Level
2000 4dr XLT
Hey guys,

Had a thread about this a while back but i can't seem to find it. oh well. My question is i have a lean code(s) that is/are coming up and they wont seem to go away and I can't figure it out. I have done upper and lower intake plenum gaskets, new egr valve with new gasket on it, cleaned the MAF sensor. I haven't checked the fuel pressure readings yet but that in my mind would be my next idea (pump might be gone). If it's hot out and I have been driving for a while and then come to a stop it will stutter and then take off and be fine until I come to a stop again. Idk what to do next.

Any ideas guys?

thanks in advance
Jake
 






Fuel pressure regulator intermittent; fuel pump possible problem/.

Fuel pressure check important, idling and with engine speed-up. imp
 






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