Question about 1991 Cadillac DeVille

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Car completly shuts off

When engaging the brake to stop completly or slow down,at times the car will shut off.all dash lights will be off and there will be no power til "it gathers itself" im not sure if this is a electrical problem or battery issue...can anyone help
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Its possible that the idle stepper motor is having problems or there may be a leak in the vaccum lines possibly check the main one going to the brake booster

Posted on Jul 01, 2008

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Car completly shuts off


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