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08-25-2010, 09:20 PM
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#1 | |
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AF Newbie
Join Date: Apr 2006
Location: El Paso, Texas
Posts: 15
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1999 Suburban Stumbling
I have a 99 Suburban for about 4 years now and it has about 220,000 miles on it and it has been nothing but great! However, recently it has been stumbling when you try to drive it right after starting. Usually, my wife will start it and immediately try to drive and it stumbles for the first minute and then seems to be ok. It is almost as if the engine needs to be warm (even though it has been 100+ outside for the past 3 months). Also, I have notice the odor of gasoline coming from the back of the vehicle. The fuel punp was replaced about a year ago and, come to think of it, the odor started right after that. The stumbling happened at first when we got the truck, but a new fuel filter took care of it. This time, I have replace the fuel filter, plugs, wires, cap, rotor, and air filter and it does not seem to go away. I would really appreciate any and all advice! Thanks in advance!
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08-26-2010, 11:11 AM
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#2 | |
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AF Newbie
Thread starter
Join Date: Apr 2006
Location: El Paso, Texas
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Re: 1999 Suburban Stumbling
Another part of this problem is that it has been throwing the code P0420 for quite some time. The severive engine soon light will come on and then after a while (like days or weeks) go off for a couple of days and then reapear. Not sure if this is related.
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08-27-2010, 04:14 PM
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#3 | |
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AF Newbie
Join Date: Mar 2010
Location: Yulee, Florida
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Re: 1999 Suburban Stumbling
Look at what I just did.
http://www.automotiveforums.com/vbul....php?t=1038720 |
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08-27-2010, 06:29 PM
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#4 | |
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AF Enthusiast
Join Date: Jan 2004
Location: Maybe, California
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Re: 1999 Suburban Stumbling
What motor's in your Sub?
__________________
57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser |
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08-31-2010, 04:30 PM
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#5 | ||
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AF Newbie
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Join Date: Apr 2006
Location: El Paso, Texas
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Re: 1999 Suburban Stumbling
Quote:
I will check the fuel regulator this weekend. This Sub has the 5.7 in it. Thank you for your help! |
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