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engine idles around 3000 rpms
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valence
Anonymous Poster
vooten@hotmail.com
Dec 6, 2007, 11:42 PM
Post #1 of 11
(2669 views)
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engine idles around 3000 rpms
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engine idles around 3000 rpms, i have changed the throttle position sensor and the idle position sensor. temp lights come on; check engine; and low fuel. have changed the sensor for the fan and the other one for the light gauge. also have changed the cooling fans, O2 sensor on the motor, and the computer. whats strange is there are three vacuum lines, can unplug one of the vacuums it bogs down, then put it back on it idles where it is supposed to. my question is if i change the fuel pressure regulator will it fix this problem by any chance?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 7, 2007, 6:54 AM
Post #2 of 11
(2663 views)
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Re: engine idles around 3000 rpms
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Year, Make, Model, Engine??
T
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Guest
Anonymous Poster
Dec 10, 2007, 1:45 PM
Post #3 of 11
(2652 views)
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Re: engine idles around 3000 rpms
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3.1, 1992, pontiac grand prix SE
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smithy
New User
Dec 10, 2007, 7:31 PM
Post #5 of 11
(2641 views)
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Re: engine idles around 3000 rpms
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have you tried cleaning your throttle body?
(This post was edited by smithy on Dec 10, 2007, 7:33 PM)
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way2old
Veteran
/ Moderator
Dec 11, 2007, 4:22 PM
Post #9 of 11
(2621 views)
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Re: engine idles around 3000 rpms
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Look around the throttle body for any ait leaks. if unmetered air is going into the engine, the ECM will try to add fuel to compensate and cause a high idle. Also look for anything that may be binding the linkage or maybe even a bent linkage. Idle speed control is another possible cause.
Being way2old is why I need help from younger minds
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JesseLD
New User
May 12, 2009, 12:19 AM
Post #10 of 11
(2467 views)
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Re: engine idles around 3000 rpms
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One possibility is your Idle Air Control valve is having issues, pop it out and make sure it is well seated and if necessary replace the unit. Oops, didn't notice the date.
(This post was edited by JesseLD on May 12, 2009, 12:21 AM)
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