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If you severely overheated the engine,the cylinder heads or intake manifold may either have warped or blown their gaskets. This creates among other things a vacuum leak which will cause the idle speed motor/solenoid to go crazy.

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โˆ™ 2004-11-03 07:30:05
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Q: What is wrong with a 90 LeSabre Custom 3.8L if it idles rough and stalls when going from park to drive after it overheated?
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