Re: Head Scratcher 99 CIS issues - Saab Saab Model 99 Bulletin Board - Saabnet.com
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Re: Head Scratcher 99 CIS issues
Posted by Name Left Blank (more from Name Left Blank) on Mon, 8 Jul 2019 17:06:57
In Reply to: Re: Head Scratcher 99 CIS issues, Jordan, Mon, 8 Jul 2019 13:05:03
yes a blocked return line would cause the line pressure from the pump to spike. You said you monitored control pressure while driving the car and it stayed normal, so that should rule that out. It really sounds more electrical to me too, like a bad connection or broken wire that still makes intermittent contact. Have you tried swapping out the ignition module or hall effect sensor?
posted by 12.222.5...
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