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Lesabre 1990 runs sluggish and stalls - Cars & Trucks

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Use a bottle of yellow HEET dry gas to remove any moisture problem in the fuel.

Clean / replace air filter.
Check ATF at level ground. Top off to MAX level.

Posted on Jan 15, 2014

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www.cargurus.com > Questions > Buick > LeSabre
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I have a 1990 Buick Lesabre, it will start when cold, but not when its warmed up at all. If i let it Idle for 5 minutes and turn it off and back on it wont start. It seems to run fine when it does turn on...


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The car keeps stalling out when we give it gas from a stop or when we turn the car. it is a buick lesabre 1990


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Jan 13, 2010 | 1990 Buick LeSabre

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Jun 05, 2009 | 1990 Buick LeSabre

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1990 Buick Lesabre keeps stalling


Check ecm for part number 1228253. If it has this number in it replace it with a 16198264. Gm had trouble with that ecm for a cutting off problem. Mine would stall driving down the road and when I would put it neutral it would start back up and not have any trouble for the rest of the day. You must set the tps with a volt meter or scan tool.

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