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02 grand am gt rough idle
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Jsr99
New User
Aug 5, 2013, 10:03 AM
Post #1 of 7
(2686 views)
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02 grand am gt rough idle
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I have a 02 pontiac grand am gt with a 3.4 engine it has 214000 miles the car idles very choppy and also smokes while idling and under acceleration it is hesitant to go but after about 2500 rpm it clears up and goes. I also should mention the smoke when it idles smells funky it kinda smells like unburned fuel. There isnt any check engine lights on and im at a loss. Any help would be very appreciated.
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 5, 2013, 10:05 AM
Post #2 of 7
(2685 views)
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Re: 02 grand am gt rough idle
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Remove the EGR valve and see if it has any carbon stuck in it and preventing it from closing all the way.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Jsr99
New User
Aug 5, 2013, 10:13 AM
Post #3 of 7
(2674 views)
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Re: 02 grand am gt rough idle
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Is that located on the front valve cover?
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Jsr99
New User
Aug 5, 2013, 10:41 AM
Post #4 of 7
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Re: 02 grand am gt rough idle
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I removed the egr valve and its definitely gunked up is there any way to clean it instead of buyin a new one?
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 5, 2013, 1:20 PM
Post #5 of 7
(2670 views)
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Re: 02 grand am gt rough idle
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Gunked up? Are you sure it's the EGR valve. Did it have an electrical plug?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Jsr99
New User
Aug 5, 2013, 5:13 PM
Post #6 of 7
(2660 views)
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Re: 02 grand am gt rough idle
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Yes sir i used the wrong description it has a lot of carbon build up on it
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 5, 2013, 5:18 PM
Post #7 of 7
(2659 views)
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Re: 02 grand am gt rough idle
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You might be able to clean it our but it probably has a lot more in the engine that will get in there again. You may have to have an induction service done to break it up and blow it out the exhaust.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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