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Sargehw
New User
Jul 25, 2012, 8:40 PM
Post #1 of 9
(2129 views)
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2000 alero problems
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I have a 2000 Alero 2.4
When you start it the engine runs ok, then it acts like it wants to shut off as the RPM goes up and down or jumps.........lost here need help
Replaced, coil packs, plugs, Air intake gasket,checked all hoses for any leaks, Idle control value, OT sensor bank 1.......not sre what else Ican do
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jul 26, 2012, 12:28 AM
Post #2 of 9
(2096 views)
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Re: 2000 alero problems
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Clean throttle body and IAC. Get a code reading,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 26, 2012, 3:34 AM
Post #3 of 9
(2084 views)
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Re: 2000 alero problems
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You may have a bad IAC ( idle air control) but try eliminating any vacuum leaks and cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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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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Sargehw
New User
Jul 26, 2012, 7:04 AM
Post #4 of 9
(2071 views)
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Re: 2000 alero problems
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That was also replaced IAC. No codes as they have all been cleared
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Sargehw
New User
Jul 26, 2012, 7:06 AM
Post #5 of 9
(2071 views)
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Re: 2000 alero problems
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Hammer
I did also replace the IAC and have cleaned out the Ing. Module. this is driving me nuts. no vacum leaks, sprayed 2+2 around and unable to see and draw from spraying. 141345 miles,
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Sargehw
New User
Jul 26, 2012, 7:16 AM
Post #7 of 9
(2061 views)
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Re: 2000 alero problems
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Sorry got ahead of myself and not thinking, All was done with replaceing the IAC, and the cleaning.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 26, 2012, 7:55 AM
Post #8 of 9
(2051 views)
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Re: 2000 alero problems
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Then you will need a good scan tool to analyze what is happening.
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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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lubeman
Novice
Jul 28, 2012, 7:10 AM
Post #9 of 9
(2013 views)
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Re: 2000 alero problems
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does it have a MAF sensor, if so, is there any change if you unplug it?
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