8 valve CIS no start, resolved - Saab 900 Bulletin Board - Saabnet.com
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8 valve CIS no start, resolved
Posted by tz [Email] (more from tz) on Tue, 9 Dec 2008 14:16:34
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83 8 valve CIS turbo, 227K, suffering from no-start, spark is healthy, fuel pump purrs. It corrected itself once but went dead again. So, time for a systematic diagnosis. Hit the problem on my first try; wiring to the cold start valve was being clipped by the flywheel teeth. Even though there does not seem to be any real wiring damage or shorts, somehow the rapid clipping must have disrupted the signal. The problem went away as soon as I modified the wiring routing away from the flywheel.
The car starts now on the first 1/2 crank, or is it the first 1/4 crank?
Still don't understand the real reason though, your thoughts.
posted by 204.126.6...
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