Question about 2000 Saturn SL

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2000 Saturn SL2 runs fine until stopped at a stop sign, etc., then it seems to idle rough - what could be causing this problem? Was told, maybe old gas since it had been sitting for about 4 months.

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Reasearch "intake manifold gasket". i have the same car, and the same problem, and everything ive read so far points to the intake manifold gasket. apparently during production there was an error that caused the original gaskets to crease. i would suggest taking some brake or carb cleaner and spraying it around intake #1 while the car is idling in park, this should cause the engine to idle rougher. if it does the gasket is your problem.
here's a link to another thread that sheds a lot of light on the issue, and even has some instructions on how to repair.

Posted on Sep 29, 2010

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