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View Full Version : '93 SC engine revvs by itself



Collin
09-17-2014, 07:55 AM
My SC will occasionally rev all by itself when stopped. Usually it won't if I'm driving, but if I'm at a long stop light it will start to rev.
The link is to a youtube video showing the problem. Any ideas? Also, check out the Firm Ride light.

Thanks

https://www.youtube.com/watch?v=haCIr4Z7JyE

elanoresc
09-17-2014, 08:27 AM
IAC valve check with that or use search forum common problem.