Re: Engine stalls at highway speed - Saab 9-5 Bulletin Board - Saabnet.com
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So I changed out the new CPS with a new Bosch unit. Engine still stalls (at all different vehicle speeds). Changed out the DIC with known good one. Engine still stalls. It only stalls when engine up to normal operating temperature. I have to pull over and restart the engine. It restarts right away with no issues. It usually stalls again within 1 - 2 minutes. I've checked the vacuum lines and can't see any problems (they were all replaced 1 year ago). This random stalling issue first appeared after I changed out the CPS (not Bosch) to fix a crank-no start problem. I thought that I may have broken something while routing the CPS wire back up to the connector at back of engine. But can't see anything wrong.
Any ideas? How does one check the turbo bypass valve?
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