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2000 pontiac grand am high rmps on start
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golfbumm
New User
Jul 26, 2013, 6:13 PM
Post #1 of 8
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2000 pontiac grand am high rmps on start
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2000 pontiac grand am se 2.4L starts at around 2000-2400 rpms after sitting for a period of time(ive only noticed the problem overnight). After about a minute or two it will idle down to normal (about 1000 rpms) But it will not do it after being ran just once(ex: start up in morning with high rpm, go to work, start up again to go home, doesnt do it). It also has a slight fluctuation on idle, almost like a vac leak.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 27, 2013, 9:20 AM
Post #2 of 8
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Re: 2000 pontiac grand am high rmps on start
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Check engine light on? If so, what code(s) numbers are being stored? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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golfbumm
New User
Jul 27, 2013, 12:15 PM
Post #3 of 8
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Re: 2000 pontiac grand am high rmps on start
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There are no codes, and no lights are on
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 27, 2013, 2:30 PM
Post #4 of 8
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Re: 2000 pontiac grand am high rmps on start
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You should check for vaccum leaks when the engine is cold. Best thing to use would be a smoke machine to find the leak because you don't need the engine running to see it. Call around some shops in the area to see if they can check it out for you. It may be normal for it to a have a high idle speed when first started cold in the morning, so keep that in mind. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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charirb
New User
Jul 27, 2013, 4:08 PM
Post #5 of 8
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Re: 2000 pontiac grand am high rmps on start
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It seems to happen in the morning on the way to work. Usually the same place or it just stumbles like its gonna stall then gets going. I assume if its a vacuum leak it will just get worse and give out? It starts right back up too. Sometimes i can go a week and it wont do a thing. Then stalls one days and goes another week.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 27, 2013, 4:16 PM
Post #6 of 8
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Re: 2000 pontiac grand am high rmps on start
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Ok your first post you stated it idled high during a cold start. Now you saying it intermittently stalls out? Is the high idle intermittent also? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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golfbumm
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Jul 27, 2013, 9:58 PM
Post #7 of 8
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Re: 2000 pontiac grand am high rmps on start
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That's not my post, it doesn't stall out, never has
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Hammer Time
Ultimate Carjunky
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Jul 28, 2013, 4:48 AM
Post #8 of 8
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Re: 2000 pontiac grand am high rmps on start
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I think that poster got confused and posted to the wrong thread. He has a thread about a 2000 Impala with similar issues. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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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