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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Starting Problems
192 messages, Last post on Nov 06, 2009 at 12:08 PM
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I have less than 1,700 miles on my new '09 Silverado 1500 (4.8L), and it's starting to give me a fairly rough/jumpy idle when I give it a cold start. I live in Texas so the engine's not *literally* cold by any means. (Highs nearly 110 F this week) I don't actually have trouble starting it, and the idle does smooth out within 30 seconds or so. It just sounds different than when I first got it, so I'm wondering if this is anything I should be concerned about. Have to admit it does have a better growl to it when first started now, but I'm guessing that's more to do with the muffler breaking in.
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This should be simple, but I'm having problems removing the spark plug wires/boots from my 2004 5.3L Silverado. Any techniques??
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Replying to: u2edub (Aug 02, 2009 1:06 pm) 
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Replying to: obyone (Aug 03, 2009 4:06 am) Thanks! I already bought a pair from Sears that look only slightly different. I'm trying not to damage the wires, but they don't seem to want to budge. I'll keep trying.
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Replying to: u2edub (Aug 03, 2009 3:11 pm) And if you decide to change the wires, you could slice the boot and pry the wire off the plug.  If not, the up/down, left/right motion should eventually loosen the boot enough to extract.
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Replying to: obyone (Aug 03, 2009 5:09 pm) |
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Replying to: turbosquirrel (Jun 28, 2009 1:12 pm)
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I have a brand new 2009 silverado 1500 series with 5.3 v-8. On cold starts it has a significant rough idle for 10 to 30 seconds. I have had it to the dealer 3 times and there are no computer codes to give them a fix for it. They just say it is normal, but I know if they had just spent 25K of there hard earned money on a new truck that shakes like that they would not call it normal. Apparently I am not the only one, one service manager told me that I was not the only complaining about this. If anyone else reads this and are having the same issue, I would a appreciate a response, especially if you have found an answer for it. I am fixing to have my first oil change and I am going to switch to synthetic, hoping this might help. I called GM today and they are going to get into this. A little hope anyway. If I get a solution for this I will post it. Shaking In San Antonio.
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Replying to: jerald227 (Sep 02, 2009 10:19 pm) |
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I have an 04 Silverado 2500HD that intermittently fails to start. On the first try it will crank without starting, on the next several tries it won't crank. The lights light up, radio, etc, just no cranking. After a few tries it may crank and start or crank and not start. At first this only lasted 5 or ten minutes then it would start and I would be on my way. Now I have to let it sit for a couple hours. The only other thing I notice (when it doesnt start) is that when you turn the key on, the fuel gauge shows E. When you turn the key on AND it shows the correct fuel level, you can be sure it will start. Any ideas or solutions would be appreciated. Dealer doesn't seem to be able to find any thing and it doesn't do it ALL the time, just when you are in a hurry!! Thanks
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