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SOHC - 2.3L & 2.5L Lima Engines Discussions and Topics specific to the Lima 4 cylinder engines

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  #1  
Old 09-21-2005
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new exhaust and truck runs like crap

ok so i ripped my exhaust off my 98 2.5 2wd 5sp wheelen the other night by accident and so i got a new muffler today dynomax turob somethign i dont know it was like 40 bux and it ok, i had a set on an old sho i had, so well i do that and had a kid in the collision part of shop weld it up for me, and i know he never disconnectd the battery cuz the clock is still right but i wanna know why is my truck running like crap now, it has no pick up under 3300 studders when i take off in first (im very capeable of driving stick) and just kinda surges at a constent throttle, im thiking that possible a bad plug one out of 8 i have lol, or i donno what, i did flop a check engine code last week and they were
p50455- evap gross leak detected
p0401- egr in suffent flow def.

well i red the post bout the evap and its def not my gas cap so now what i think is happening is my egr valve is ****ting the bed cuz now its running like crap.... so i donno any ideas? i have a 500 mile trip on saturday so i need them soon
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Old 09-21-2005
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did they somehow clog it with something when they welded it up???
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Old 09-21-2005
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i doubt it, i can smell the weld buring/muffler breaking in and it smells bad lol but i dont think he did that he would have had to weld a pretty big hole to clog it up...
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Old 09-21-2005
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02 sensors?

plugs?


IAC?
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Old 09-21-2005
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i dbout it's the o2 cuz it was fine b4
plugs- icheck to make sure they wernt arc'ing and the were cut so i doubt that
iac i haven o idea what that is lol
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Old 09-21-2005
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intake air control sensor/valve

look it up , someone did a how to on how to clean it.





Did you take the plugs out? and look at them..
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Old 09-21-2005
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no i didnt take them out, its 330 and i dont have any tools some jerk stole them lol
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Old 09-21-2005
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did you try unhooking the batt?
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Old 09-21-2005
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not yet im gonna do that when its light out
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Old 09-21-2005
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that might help...but i'm just guessing
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Old 09-21-2005
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Not sure if 98's are like later models. The evaporative cannister and some piping are up over the spare tire. Some guys with later models have had the plastic piping that feeds it damaged by hot aftermarket exhausts (mostly duals) but somebody could have melted it welding also. I'd check it out under there. It would fit the "gross leak" code you got. That could lead to a vacuum leak which will screw up how the engine runs.

Check all the piping between the gas tank and the cannister, and if a pipe runs direct from the cannister to the engine, that one especially.
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Old 09-22-2005
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could the current from the welder done damage to the computer since the batt wasnt disconnected?
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Old 09-24-2005
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wrong everone is wrong,......... mi teacher unplugged mi first coil pack.... that jacka$$
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Old 09-24-2005
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Happy to be wrong in this case, lol! No money needed to be spent!

But hey, we took a crack at it...who knew anyone was messing with the coil pack, lol?
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Old 09-26-2005
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lol yea i know right, i got him back cuz i swran wraped his car after lol and he didnt even know it was me, but oh well, it did cost me money, in new plugs for both sides and an egr valve lol but oh well
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