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#1
04-12-2006, 04:23 PM
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98 cavalier with ecu problems.
i have a 98 cavalier with a 2.4 engine and have an intermitten problem with rough idle the mechanick says its the ecu. can i replace it with a used one without reprogramming the ecu at the dealer.
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#2
04-13-2006, 02:55 PM
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Re: 98 cavalier with ecu problems.
Clean your IAC (Idle Air Control) valve, do a search for IAC and you'll find at least 50 threads on this topic. It's very easy to do and is more than likely causing the problem.
__________________
 Odometer: 223259 & still running like a horse! Rockin' to: Dream Theater, Queensryche, Symphony X, and Pagan's Mind. Check them out! The "radio groups" these days have lost creativity and skill. It's the same thing for five minutes.
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#3
04-13-2006, 06:30 PM
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Re: 98 cavalier with ecu problems.
tks i will try that !
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#4
04-13-2006, 06:34 PM
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Re: 98 cavalier with ecu problems.
also if it is the ECU can we buy one and just plug it in or it needs to be remaped at the dealer?
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#5
04-13-2006, 06:50 PM
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Re: 98 cavalier with ecu problems.
I would also suggest checking the EGR, MAP, and MAF (or whatever airflow sensor it uses).
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#6
04-13-2006, 07:22 PM
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Re: 98 cavalier with ecu problems.
Quote:
__________________
2001 Grand Prix GT: cat/u-bend/resonator delete, zzp PLOG, Custom Intake, DHP PCM, 1981 Fairmont 6cyl 3 speed 1978 Ford Ranchero GT 302 with a few goodies
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#7
04-14-2006, 10:57 AM
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Re: 98 cavalier with ecu problems.
I really doubt it's the ECU, if something was fried in the ECU, a rough idle would be the least of your problems... I could be wrong, but I doubt it's the ECU.
__________________
Odometer: 223259 & still running like a horse! Rockin' to: Dream Theater, Queensryche, Symphony X, and Pagan's Mind. Check them out! The "radio groups" these days have lost creativity and skill. It's the same thing for five minutes.
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