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Chris
Dodge Dakota
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3/04/2009
17:08:47

Subject: rough idle
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I have a 96 Dak with a 5.2 ltr, 265000 mi. it has been idling rough and tripped a p0300, p0303, p0305 codes. I have replaced the rotor,cap,wires,coil,plugs,most of the Vac. Lines,tps,map sensor,iac,crank pos sensor,fuel pump,throttle body gasket, and all the injectors. after resetting the codes after each part replaced I still got the miss fire code. after the latest reset i got a new code for the ox. sensor before the cat. I replaced that and STILL running rough ( like it's misfiring) but no codes yet. any Ideas?? I'm thinking the cat has gone bad. it's the only thing left that hasn't been replaced.
Any and all help will be great.

Thanks in advance



Kowalski
GenIII
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3/04/2009
17:27:26

RE: rough idle
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Don't be so sure that's the only thing left that hasn't been replaced. Have you checked the belly pan gasket ?

Lead, follow, or get out of the way

Chris
Dodge Dakota
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3/04/2009
18:33:52

RE: rough idle
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Didn't think of that, Dumb question..how do you check the b.p. gasket? besides looking for leaks.



Kowalski
GenIII
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3/05/2009
17:08:27

RE: rough idle
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One way would be to look down the throttle body and see if you have a small puddle of oil there.

Lead, follow, or get out of the way

Chris
Dodge Dakota
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3/08/2009
08:18:21

RE: rough idle
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That's what is was, all fixed, running like new
thanks for the help



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