Question about 2001 Chevrolet Express

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Engine looses power

When I am driving my engine looses power, I have a new fuel pump, and filter, Starts fine but has very little HP, my work van has over 245,000 miles on it. No heavy smoke coming from tailpipe, but has been a long time since i changed the sparkplugs, or could it be the electronic computer system on board, my chev. Express is a 2001, 6 cylinder., any help is better than nothing thank you larry.

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  • larry foley Oct 25, 2008

    thank you for your advice, I am just a master cabinet maker, but know very little about cars, and vans, and trucks, I believe your advice will help me, thank you larry, the cabinetmaker.

  • Anonymous Mar 07, 2009

    i have a 2001 express 3500 van it has about 112,000 miles on it and the engine starts off fine but it looses hp when i attempt to gain speed. i had the fuel filter replaced and now they are re placing the fuel pump what else can it be?

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Start with a full tune up. it is a good possibility that the spider injector is on its way out.

Posted on Mar 22, 2010

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Give it a complete tune up and change the fuel pressure regulator and check the timming gear

Posted on Apr 08, 2009

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