Question about 2002 Chevrolet Avalanche

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My truck want to sputter then shut off, then thr next time I start the truck with in a min. the truck wikk idle fine for about 10 min. then sputter and shut off. I was driving up my drive way after about a 14 mile drive and out if the blue it started to sputter and just shut off, Irestarted it and it sputtered and shut off.

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Been a gm try to have it scan 4 codes if no codes are present check fuel pressure at fuel rail u will need a fuel gage that have a shradder valve connector fuel pressure should be around 30 to 40 psi for port injection or 60 psi for cfi

Posted on Nov 22, 2017

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Fuel Pump or fuel filter will be my first guest. Did you pull any Codes from the truck already?

Tony

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/tony_a41fa0b801734e2f

Posted on Nov 22, 2017

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Posted on Jan 02, 2017

Anonymous

  • 1 Answer

SOURCE: 99 F250 V10 Sputtering

It takes just one of the coil on Plug units to cause sputtering and severe shaking. Fortunately the prices have dropped slightly for the coil units. The bad news is it is still close to 100 bucks from the Ford dealers. I have had to replace 3 of these on my 1999 F250 superduty V-10 since I bought it new. I believe there may be some compatible aftermarket units out there for high performance V-8 engines, but can not confirm compatibility.

Posted on Jan 11, 2009

Anonymous

  • 255 Answers

SOURCE: while driving my truck backfires and sputters

whats make model and year engine size

Posted on Apr 13, 2009

Anonymous

  • 2 Answers

SOURCE: truck is sputtering, especially at low rpm. It is

check the generator to see if it putting out enough volts

Posted on Apr 20, 2009

jman415

  • 112 Answers

SOURCE: Choke Light rough idle

adjust your carb, the 2 screws on each side of the carb adjust so you can get the car to idle correctly, also check your distributor

Posted on May 26, 2009

Anonymous

  • 1 Answer

SOURCE: truck sputters and dies when you put it in drive or reverse.

Most Likely a vacume leak. Check the engine and surrounding engine bay for a loose hose. I would check the mass air sensor, make sure it is free of debries.

Posted on Jul 20, 2009

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