Question about 1991 Buick LeSabre

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My 1991 buick lesabre will start but idles rough, and stalls if you give it gas

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Ck if you have adequate fuel pressure 30-40 psi. if not it may need a fuel pump and filter replaced.

Posted on Sep 06, 2010

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94 Buick Park Avenue that stutters under a light load I have a 94 Buick Park Avenuethat ... Buick Century 97 runs rough and stutters when cold and gas applie Engine runs rough ... I have a 1994 buick lesabre it starts ok but stutters and stalls.

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2000 LeSabre starts but runs very rough and stalls. After


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1987 Buick Lesabre T stalling and running rough


I just had the same problem. Replaced the fuel filter,still crappy idle and no acceleration. I replaced the fump pump along with the wiring harness and the fuel pump screen and my cars purrs like a kitten,has back to normal acceleration and idles better than before. Hope this is some sort of help to you. I did it myself. Total cost, a little over $120. Good luck. By the way, your fuel pump should be pushing out about 65 lbs of pressure. is it ???

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1 Answer

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