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Old 03-19-2013, 02:44 PM   #1
CvP
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Exclamation 2002 Chevrolet Siverado Sputter

Truck hesitates when accelerating. It seems like gas is not getting enough gas to the point where the truck will finally stall out. I have replaced the fuel filter, ran fuel injector cleaner (briefly), and tried higher grade glass. After every episode, the truck starts up like a champ, but after 3-5 minutes of running, or a lot excessive speed, it starts to sputter. Could it be the fuel pump? The fuel injector? or Sparkplugs? I would really appreciate your suggestions!

Check engine light codes: P0171 (once) and P0174 (twice) and P1133 (once)
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Old 03-19-2013, 03:00 PM   #2
j cAT
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Re: 2002 Chevrolet Siverado Sputter

Quote:
Originally Posted by CvP View Post
Truck hesitates when accelerating. It seems like gas is not getting enough gas to the point where the truck will finally stall out. I have replaced the fuel filter, ran fuel injector cleaner (briefly), and tried higher grade glass. After every episode, the truck starts up like a champ, but after 3-5 minutes of running, or a lot excessive speed, it starts to sputter. Could it be the fuel pump? The fuel injector? or Sparkplugs? I would really appreciate your suggestions!

Check engine light codes: P0171 (once) and P0174 (twice) and P1133 (once)
with a pressure gage you do the fuel pressure test. you must have more than 50 psi no less. if you run on empty alot the fuel pump is most likely going.
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Old 03-19-2013, 10:25 PM   #3
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Re: 2002 Chevrolet Siverado Sputter

Change your fuel filter, check your fuel pressure regulator. As j cat stated above, check that fuel pressure.
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