P0300 -Random Misfires.... - Saab 9-5 Bulletin Board - Saabnet.com
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P0300 -Random Misfires....
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Posted by 8pack [Email] (more from 8pack) on Mon, 1 Aug 2011 14:57:10 Share Post by Email
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2001 9-5 SE V6 130k miles

I have done a pretty through search and can't find much on this.....I am getting a P0300 code periodically. I know exactly when it is happening and when it will throw the code.

Typically after the car has been parked awhile, hot or cold, makes no difference, when i first start it up and go to pull away it stumbles or bogs down. Pretty quickly it clears up and runs fine. Doesn't happen all the time.

I checked for leaks at the injectors by spraying carb cleaner at the point where they enter the manifold. No change in RPMs

I checked all the vacuum lines i could find and everything looks good...DICs were replaced a few years ago under warranty, and Crank position snesor was changed 3k ago.

I am baffled....

I suppose it could be a bad DIC or throttle body???

Any help would be appreciated.

posted by 96.234.63...

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