Question about 1993 Buick LeSabre

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1993 Buick LeSabre idles too fast

Recently replaced alternater, serpentine belt, and then the water pump blew. It was driven a short distance, and the pump was replaced. Upon driving after that, when the brakes are applied, the service engine light comes on, and then goes off after about 30 seconds. When the car is started, the engine races and won't idle down.

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  • Anonymous Mar 12, 2014

    pulled off about an hour to eat finished lifted hood tryed to remove wanted to remove radator cap could not drove short way back home light did not turn on but short distance raised hood and still could not remove cap called friend he said he would try to come by in a day or so he said it most likely needed water so kind of fluid added i can not remember what is called i have not driven car since i came home

  • Anonymous Mar 12, 2014

    1993 saturn idles too fast for 30 seconds then settles down

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  • Master
  • 1,596 Answers

I would Look For A Vacuum Leak, Given the Fact that ALL that Work was Done in a SHORT Amount of Time, And The Brakes ARE VACUUM ASSISTED, that when Brakes are applied the ENG. Light Comes on, Seems to Me It all May be related. It does not take Much to Pop A Vacuum line OFF Accidentally

Posted on Feb 06, 2009

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http://www.mvreader.com/multiview/dayco/index.php?bgInterchange=1&l=n

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