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Will not run well. Boggs down when I step on gas.

Tiny
SCOTTYMAC1333
  • MEMBER
  • 1996 GMC C2500
  • 180,000 MILES
I ran out of gas going up a hill. So I walked home and grabed 3 gallon can of gas and put it in my gas tank. Got the car started but it runs like crud. You press on gas real hard and it boggs down and almost wants to back fire. Now if you increase the gas slowly you can get the rpms up pretty high. But try and step on it and it only boggs down.
Come to find out the gas I put in it was a gas and oil premix for the the chain saw. Ya I know pretty stupid of me. Any way I have put a fuel injector cleaner in it and it still runs like poop. Any susgestion you can give me. Please. Thank you Scotty.
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Wednesday, June 26th, 2013 AT 6:23 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,355 POSTS
You need to flush out the system. I would also replace the fuel filter and use premium fuel for a while. If that doesn't help, check the fuel pump pressure to make sure it is within spec. You could have damaged the pump itself.
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Wednesday, June 26th, 2013 AT 7:02 PM

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