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90 corsica misfires & runs rich when sitting still
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customsounds
New User
Oct 19, 2009, 6:22 PM
Post #1 of 2
(1324 views)
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90 corsica misfires & runs rich when sitting still
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the car runs fine some days but most days it runs really rough when sitting still with a low idle and as soon as the car reaches about 5 miles an hour the idle smoothes out but idles up to about 2000 rpms. It also runs rougher when the speedometer drops. I have replaced the tps, the coils, wires, and plugs, the intake oxygen sensor, the vss, the egr valve, and had the exhaust line redone.
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 19, 2009, 6:26 PM
Post #2 of 2
(1319 views)
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Re: 90 corsica misfires & runs rich when sitting still
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Is it really running rough or just idling too low?
Is the check engine light coming on at all?
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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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