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Posted on Jun 29, 2010
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1983 Buick LeSabre Wagon, cuts out driving down the road

1983 Buick LeSabre Wagon, driving down the road the engine just cuts out, coast to a stop, wait a few minutes, starts fine as if nothing happened. Attempting to fix we've had the carb rebuilt, new air filter, pcv valve, replaced missing ducting to bring in fresh air, checked grounding strap, this car does not have a crank or cam shaft sensor.

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Ted Mostert

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  • Posted on Jan 11, 2015
Ted Mostert
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I would check fuel pump output, may be putting out enough at low speed but not enough for high speed. EGR can cause problems but usually not killing engine going down road.

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  • Posted on Jun 29, 2010
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Find the EGR valve on the intake and locate the vacuum hose that is connected to it. Start the engine cold and as it warms up, pull the hose off and if it idles and drives fine, the EGR valve is bad and needs to be replaced. Please rate me on this answer.

  • robertp209 Jul 25, 2011

    Problem turned out to be a clogged screen on the fuel pickup in the gas tank (no bypass like an oil filter). Mechanic had to drop the tank and strain the fuel and replace the fuel pickup, no repeat of the problem since.

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