0401 getting better... slowly

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jailyjones

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Oct 25, 2015
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Location
goodview, va
howdy, got a 02 exped. runs like a dream till about 40-55. in that area has a chug. had/has a 401 code so i changed dfpe/egr/ /and solenoid. removed the throttle body cleaned out egr ports. checked all lines i could see for leaks. and after all that id does it only slightly, but still feel it, so my magic so far hasn't cured the problem altogether. like i said, runs great other than that. can accelerate thru it or let foot off gas and back off it slightly and it goes away. reset the trouble light and hasn't come back on. do i need to do anything else i'm missing. even with the problem it's a world better than my s10 that would pull a 15 degree hill . thanks a bunch.
 
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