Re: 2002 9-3 Won't Idle, Engine Light On, DSC Off... - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: 2002 9-3 Won't Idle, Engine Light On, DSC Off...
Posted by Dean [Email] (more from Dean) on Wed, 7 Sep 2005 08:04:43
In Reply to: Re: 2002 9-3 Won't Idle, Engine Light On, DSC Off..., jimg, Tue, 6 Sep 2005 11:36:37
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Could be a bad VAC line to the FPR, that would mess up the mixure. Easy to check. You could check the TB for fouling that interferes with motorized throttle plate movement. If a tripped TB solenoid (which should give you a CEL), that can be manually reset. You might need a dealer for diagnostics if you cannot find an obvious problem.
Check for damaged VAC lines (that would have greatest impact at idle). The T7 is vulnerable to problems of this type that the T5 would mostly just react to with elevated idle speeds.
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