slow acceleration still

dj79 · 03-23-2007, 07:40 PM

hey guys I have a 2000 silverado with 70k on it stock 5.3. When I take off from a stop it acts like it has no power until it builds up rpm. Never dies but its like it has a flat spot. I have tries the injector cleaner and new air fiter with no help and the truck throws no codes. Its not that big of a deal had it sence I bought it with 40k on it with this problem. No other problems just a pain in the butt now that I live in the city. Wondering if anyone esle has herd of this problem? thanks

gmctrucks · 03-24-2007, 02:48 PM

Check your air cleaner is it clogged up?

nnunez · 03-26-2007, 11:58 AM

So, what have you done to the truck so far to eliminate this problem?
This may give us a better understanding of the problem.

I am sure you dont want a guess but with the amount of information that is all we can possibly do.

My guess is that you may have a vacuum leak........

Good luck.......

markbark22 · 03-26-2007, 01:46 PM

i have the same truck but a z71 and i have a problem when it heats up and then is started again. It takes a little gargling to start it up and sometimes it hesitates when accelerating but not all that often. I havent taken it in to see what the problem could be but when i do ill let you know!

03-23-2007, 07:40 PM	#1
dj79 Junior Member Join Date: Mar 2007 Posts: 4	slow acceleration still hey guys I have a 2000 silverado with 70k on it stock 5.3. When I take off from a stop it acts like it has no power until it builds up rpm. Never dies but its like it has a flat spot. I have tries the injector cleaner and new air fiter with no help and the truck throws no codes. Its not that big of a deal had it sence I bought it with 40k on it with this problem. No other problems just a pain in the butt now that I live in the city. Wondering if anyone esle has herd of this problem? thanks

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03-24-2007, 02:48 PM	#2
gmctrucks Senior Member Join Date: Nov 2006 Location: Houston,Texas Posts: 1,970	Check your air cleaner is it clogged up?

03-26-2007, 11:58 AM	#3
nnunez Senior Member Join Date: Dec 2005 Posts: 307	So, what have you done to the truck so far to eliminate this problem? This may give us a better understanding of the problem. I am sure you dont want a guess but with the amount of information that is all we can possibly do. My guess is that you may have a vacuum leak........ Good luck.......

03-26-2007, 01:46 PM	#4
markbark22 Junior Member Join Date: Mar 2007 Posts: 7	i have the same truck but a z71 and i have a problem when it heats up and then is started again. It takes a little gargling to start it up and sometimes it hesitates when accelerating but not all that often. I havent taken it in to see what the problem could be but when i do ill let you know!