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2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

Truck started hesitating while accelerating just now?

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Old May 6th, 2010, 11:24 PM
  #11  
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Nope it doesnt have an aftermarket cold air intake.
Old May 7th, 2010, 12:43 AM
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with the truck in park and engine on, slam on the gas and look at your tail pipes.
If a puff of black smoke comes out your truck could be running too lean
Old May 7th, 2010, 11:26 AM
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So I just started it up again and revved it a little. At first it started to hesitate a tiny bit when I let up off the accelerator and the idle became a little funky but bounced back to normal. I started revving it some more and it seemed to rev up okay. I thought maybe it could be my EGR valve, but I see that whoever owned the truck before, cut the hose, and stuck a bolt in the line.

There was no black smoke. Could it have been that maybe my fuel pump was overheating from having low gas? I ran it for a total of maybe 3-5 minutes today.
Old May 7th, 2010, 10:33 PM
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you wont know the answer to your question until you fill up again.
Old May 7th, 2010, 11:02 PM
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Originally Posted by s34n
you wont know the answer to your question until you fill up again.

+1
1st things 1st.
get the simplest possible solutions outa the way
Old May 8th, 2010, 1:59 PM
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Filled up a 5 gallon gas can and dumped it in the tank. Started the truck and revved and idled it for about 10-15 mins. Then I drove it up and down the block about 4 times and then around the block once. It accelerated smoothly like it always has with no hesitation.

Could it have just been low on gas?
Old May 9th, 2010, 11:55 PM
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thats what it seems like to me.
Originally Posted by tom5170
Filled up a 5 gallon gas can and dumped it in the tank. Started the truck and revved and idled it for about 10-15 mins. Then I drove it up and down the block about 4 times and then around the block once. It accelerated smoothly like it always has with no hesitation.

Could it have just been low on gas?
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