Still Runs Rough - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Still Runs Rough
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Posted by Jon Jennings [Email] (more from Jon Jennings) on Mon, 19 Oct 2015 07:34:28 Share Post by Email
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My '03 93 convertible continues to stumble / surge occasionally when driving despite a number of repairs. To date I have inspected / replaced vacuum lines, replaced the CPS, replaced the purge valve and associated tubing attached to the TB and front of the engine including check valves, replaced spark plugs, replaced the fuel filter, replaced the AMM.

At the conclusion of each job, I set out with hope that the problem has been solved. Then, anywhere from 10 - 20 minutes into the drive, the car stumbles for a few minutes and stops after a short period of time, particularly when under steady acceleration or sometimes at idle. The car never stumbles under hard acceleration. Sometimes it never acts up.What should I look for next?

Jon Jennings
Southampton, NY

posted by 47.21.2...

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