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98 olds achevia 169000 mi high rev
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l2k9g3v
New User
Jun 11, 2009, 12:46 PM
Post #1 of 4
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98 olds achevia 169000 mi high rev
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sometimes when i start my car it will rev up to between 1800 or 2300 rpm and stay there. i have changed all fluids, and filters but didnt fix the problem. im thinking that it is something electrical. any help would be greatly appreciated. also how much it would cost to repair thank you!
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Loren Champlain Sr
Veteran
/ Moderator

Jun 11, 2009, 3:30 PM
Post #2 of 4
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Re: 98 olds achevia 169000 mi high rev
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l2k; Do you have a check engine or service engine soon lamp illuminated with the engine running? You could have a vacuum leak or a sticky IAC (idle air control motor). The IAC can be cleaned which is a common problem. Does the idle come down, eventually, as the engine warms? Loren SW Washington
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l2k9g3v
New User
Jun 11, 2009, 7:24 PM
Post #3 of 4
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Re: 98 olds achevia 169000 mi high rev
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sometimes the rev slows as the engine warms and the check engine light is on when the motor runs.
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Loren Champlain Sr
Veteran
/ Moderator

Jun 12, 2009, 4:10 PM
Post #4 of 4
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Re: 98 olds achevia 169000 mi high rev
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12k; I don't mean to sound sarcastic, but if the check engine light is on, that should be telling you something. But, if you don't know, my apologies. The CEL being illuminated is telling you that the computer has picked up a fault in one of the many systems that it monitors. The computer will then set a trouble code that will tell which system is seeing a problem. Most parts stores will retrieve the code(s) for you. Don't let them sell you any parts. Just get the codes and post them for us to see; Then, we can go from there. Loren SW Washington
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