- #5104 of 5688
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ryan
by noobie1
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Jul 22, 2005 (8:41 am)
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I hear ya big time. Did the drivers side last week and just finished the passenger side; Total time about 4-5 hrs, much of it on my back. I've read other positive testimonies about Prep-Sol, but have not heard whether it's water soluble, which is the beauty of Go-Jo. Just hose it off. It does require a little scrubbing beforehand though.
-David
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- #5105 of 5688
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Re: 1997 silverado dies on acceleration [minniescar]
by noobie1
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Jul 22, 2005 (9:20 am)
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Replying to: minniescar (Jul 21, 2005 5:34 am)
minniescar, sorry it's taken so long to reply. This may seem like a stretch, but maybe not. Years ago I had the exact same problem with a '52' Chevy. Tried everything I knew to solve it. Finally, consulted my auto shop teacher who diagnosed it immediately: Vacuum advance failure.
I don't know how your ignition system works, but every gasoline engine must have a method for advancing the spark upon an increase in RPM, whether it be electronic, centrifugal, or as in the old days, vacuum. I could make some suggestions, but being completely in the dark about which method seems like a waste of time.
BTW; I know of a similar case, but not exactly, where the TPS turned out to be faulty. Hope this helps.
-David
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- #5106 of 5688
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Re: 1997 silverado dies on acceleration [noobie1]
by minniescar
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Jul 22, 2005 (10:10 am)
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Replying to: noobie1 (Jul 22, 2005 9:20 am)
I had the vacum advance problem on my old MGB a few years back and the truck does run alot like the MG did. The only problem is the 97 silverado doesnt have a vacum advance , basically there is no adjustment at all when it comes to the distributor, the computer adjusts the ignition timing so its really just a matter of making sure the distributor is inserted correctly then slapping a button and a cap on it. Im now leaning towards the fuel pressure regulator even though it was replaced 10k ago its still possible it has failed. Im really at my wits end
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- #5107 of 5688
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Re: 1997 silverado dies on acceleration [minniescar]
by minniescar
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Jul 22, 2005 (11:26 am)
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Replying to: minniescar (Jul 22, 2005 10:10 am)
Well another possibility has been brought to my attention, last night i notied i could rotate my distributor cap ( and yes its screwed down ) and when i say rotate i mean the only thing that keeps it from doing a complete 360 is it would hit the valve covers. I called a local mechanic and he said not to worry that the ignition was self adjusting, i just mentioned it to a coworker and he said the mechanic must be on crack, who is right? The cap itself and the plate it bolts to which holds the ignition module ( is that the correct term) moves but not the cast alluminuim housing and from what i can see there isnt any locking nuts or anything other then the hold down clamp on the distributor so if this thing is moving then something serious is wrong.
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- #5108 of 5688
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Re: TXYANK [geo9]
by txyank1
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Jul 26, 2005 (4:30 am)
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Replying to: geo9 (Jul 22, 2005 7:24 am)
Hooters is NY? Is that Poookeeepski?......naaaaaah can't be. 
Very well, just procrastinating about a new one. I want one more new vehicle before I try ro retire, but don't like all the "de-contenting" that's gone in since '03. Or for that matter the extras that I don't want that are now std. Looks like I'll probably have at least another month of Employee pricing (rumor has it) to decide .
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- #5109 of 5688
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Re: ping/ throttle [obyone]
by talkinshop
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Jul 27, 2005 (3:19 pm)
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Replying to: obyone (Mar 31, 2005 12:23 pm)
Hi - new to this forum and to GMC trucks. I bought a 1999 Sierra a month ago - the gas peddle does 'stick' sometimes (not all) I mentioned it to a mechanic at work and he sprayed the 'butterfly valve' in the throttle body valve with a cleaner. Is something really awful going to happen? The notice said not to - but not why not. Do you know what the problem might be?
thanks
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- #5110 of 5688
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Re: ping/ throttle [talkinshop]
by obyone
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Jul 28, 2005 (5:04 am)
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Replying to: talkinshop (Jul 27, 2005 3:19 pm)
There is a TSB for replacing the throttle body when sticking. Since your truck is out of warranty, I'd try cleaning it with a throttle body cleaner and a rag. If that doesn't work, you might consider replacing it.
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- #5111 of 5688
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Re: ping/ throttle [obyone]
by picklesorvie
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Jul 28, 2005 (5:51 am)
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Replying to: obyone (Jul 28, 2005 5:04 am)
Available today is a small part that is added to the throttle bottle when it is cleaned
that will help prevent the sticking. Our 5.3 V8 in our 2000 Tahoe was fixed
a year or so ago.
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- #5112 of 5688
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Re: ping/ throttle [talkinshop]
by rayt2
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Jul 28, 2005 (12:47 pm)
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Replying to: talkinshop (Jul 27, 2005 3:19 pm)
I cleaned mine by hand w/rag and spray cleaner and problem has stopped. 2000 5.3 Silverado. Cleaning is much easier than GM repair charge.
Ray T.
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- #5113 of 5688
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Re: ping/ throttle [rayt2]
by abottorff
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Jul 29, 2005 (6:06 am)
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Replying to: rayt2 (Jul 28, 2005 12:47 pm)
hey I have the same problem w/ my 2000 silverado w 5.3, what do I clean and how do I clean it I am waaaaay out of warranty (90k miles) and what part can be put in to help solve the problem I am doing my best to ignore it but its getting a little worse I would rather clean it than replace it if I can ----- thanks.
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