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#1
04-11-2010, 01:26 AM
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97 3.1 running rough
hi i have a 97 ga with the 3.1 172k running bad. when it warms up it hesitates pretty bad anywhere from taking off from a stop or trying to pass a car at 50. its getting about 70 miles to a half tank. ive changed the head gaskets, intake gaskets, cts, cat converter, oxygen sensor, coil pack, wires, plugs, fuel filter, injectors, crank sensor, and fuel pump. i cant figure out what is wrong with it, any help is appreciated. it runs a lot better when its cold but once it warms up it starts acting up.
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#2
04-23-2010, 12:55 AM
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Re: 97 3.1 running rough
i hooked my computer up to it and for the intake pressure at idle its around 8.5hg and when WOT its around 28. isn't that kinda backwards? i changed the map but no change.
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