Car shakes at Idle with defroster on - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Car shakes at Idle with defroster on
Posted by ChandraB [Email] (more from ChandraB) on Mon, 25 Dec 2006 19:09:27
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I've got a 1997 Saab 900SE Turbo Automatic w/124K, with the cold weather we are having up here in Boston I've noticed when the defroster goes on at idle the engine starts shaking very uncomfortability. It's particularly bad at first startup in the morning or evening (cold engine), less so when it's warm engine. It's even worse when in idling at a stop light (transmission in drive) with the defroster on. It's gotten to the point where I shut the defroster off when approaching a stop light. I've taken a look for vacuum leaks but have not found any obvious ones.
Any thoughts on where to start to look I'd appreciate it.
Thanks,
Chandra
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