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#1
03-30-2005, 10:31 PM
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'01 silver engine surging
I have a '01 silverado 2500hd 6.0 V8 with 110,000 miles on it. Symtoms are when I floor it I get some weird engine surging like it wants to go faster, its kinda like a pulse, and I have noticed some power lose in normal running conditions like taking off from a start and excelirating. My check engine light also comes on when I floor it for about 30 seconds. I had my mechanic check the code on it and he said that there was a misfire in 3 of the cylinders other than that it didn't tell him much. So he told me to start with replacing the plugs which I did but it didn't help. I did have my fuel pump replaced 2 weeks ago but I don't see how that could be a bad part. I was thinking maybe an O2 sensor or EGR valve, If anyone has any ideas please let me know. Thanks
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#4
03-31-2005, 05:19 PM
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Re: '01 silver engine surging
With having 110,000 miles on it i would start with the basics , change the spark plugs AND wires, clean the injectors , replace the fuel filter , clean the throttle body. With the loss in power it could be faulty plugs, wires or a clogging fuel filter. You said when you floor it , it seems like it surges like it wants to go faster, that could be a fuel starvation problem.
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**2007 Avalanche LT. **  6" Pro Comp lift 305/55/20 BFG A/T KO'S K&N FIPK GENII Flo Pro V force muffler & 4" slash cut stainless tips Color matched front and rear Bowties 3" polished stainless bull bar and Nerf bars
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#6
03-31-2005, 09:36 PM
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Re: '01 silver engine surging
ok , so you have done 2 of the five that i have listed and one that i did not, I suggest cleaning the injectors next and for the cost i would have the TB done at the same time.
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**2007 Avalanche LT. ** 6" Pro Comp lift 305/55/20 BFG A/T KO'S K&N FIPK GENII Flo Pro V force muffler & 4" slash cut stainless tips Color matched front and rear Bowties 3" polished stainless bull bar and Nerf bars
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#7
03-31-2005, 11:46 PM
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Re: '01 silver engine surging
I have also ran lots of seafome through it and cleaned the TB, sorry I didn't mention that in my last reply, and I didn't replace the plug wires because they had been replaced in september 2004 when I bought the truck, and also the suging is so predictable I could probably tell you how long it is between each pulse if I wanted but I can't drive and operate a stop watch at the same time. Do you think it could be an O2 sensor or a cloged cat. converter?
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