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July 12th, 2009, 08:12 AM
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#1 (permalink) |
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Registered User
Join Date: Jun 2007
Location: Southern Illinois, Belleville area
Posts: 110
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Not Oldsmobile but GMC
Hope I'm not offending anyone by posting this. I just want a quick answer and since I am registered here I figued a quicky would be ok. (?) It is GMC but not Olds.
I have a GMC truck, 1993 Sierra 1500. 230K miles. Trans was worked on around 140K miles. I have a problem that came up yesterday, quite abruptly. Gas peddle is mushy. I step on the gas and get a weak slow motion response. The engine revs but the truck only creeps forward. I have to almost red-line it to get to shift but it DOES shift into second and eventually thrid gear. At stop signs it tends to die. Restart is positive and immediate but I have to keep my foot on the gas, in nuetral, to keep it running. Any ideas? Thanks, Robert
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 New'n72
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July 12th, 2009, 01:17 PM
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#2 (permalink) | |
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Moderator
Join Date: Feb 2008
Location: Plano, TX
Posts: 1,916
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Quote:
I assume he checked the tranny fluid level and looked underneath for sudden leaks.
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-Rob Young  1972 Cutlass Supreme Convertible (442 clone) -"Lady" (My mistress...) http://www.flickr.com/photos/robsalbum/sets/ 1986 Cutlass Supreme Coupe - "Pristine" 1978 Ford (Old Faithful) a.k.a. "the Tramp" 1997 Cadillac STS (for sale - too many cars!) 1999 Harley Davidson Sportster - "the Freedom Machine" |
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July 12th, 2009, 01:57 PM
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#3 (permalink) |
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Registered User
Join Date: Jun 2007
Location: Southern Illinois, Belleville area
Posts: 110
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Transmission started slipping at around 140K it was rebuilt.
No trouble since then. Fluid is at FULL line and clean. Does not smell burnt. No obvious signs of of anything. I drove about 8 miles to a Mall and then took the wife to lunch. Everything was fine until I started home after lunch. I had not noticed any symptoms prior except for a little "trailer hitching" which I actually attributed to the crummy roads we have around here. It was very slight and I really don't know if it was the roads or something else but it was not an obvious, in your face, kind of symptom. Since the engine starts fine I'm thinking it's not the motor.
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New'n72
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July 13th, 2009, 07:04 AM
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#4 (permalink) |
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Landyacht Club President
Join Date: Jul 2007
Location: Lawton, OK
Posts: 4,286
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IS there a trouble light illuminated? If so pull the codes and see what they say.
FWIW, I agree with Rob. If you had transmission troubles in the past chances are you have the problems again. A friend of mine has an early 90s GMC Yukon. It had transmission troubles as well. I believe they were notorious for weak transmissions. Search the internet for a full sized truck forum. They might run into this problem as often as we run into Slim Jim problems.
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Ferris, my father loves this car more than life itself... Apparently, you don't understand! Ferris, he never drives it! He just rubs it with a diaper! Cameron Frye Ferris Bueller's Day Off 1986 |
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July 13th, 2009, 06:05 PM
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#5 (permalink) |
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Registered User
Join Date: Jun 2007
Location: Southern Illinois, Belleville area
Posts: 110
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Problem fixed........Only one fuel injector port was functioning. 4 cylinders out of 8 runs like crap!
 New port and new plugs and she's good as new. The symptoms wouldn't point to that right off but after a few checks here and there, it stood out like a sore thumb.  Thanks anyway!
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New'n72
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July 14th, 2009, 08:06 AM
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#6 (permalink) |
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Landyacht Club President
Join Date: Jul 2007
Location: Lawton, OK
Posts: 4,286
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Cool!
__________________
Ferris, my father loves this car more than life itself... Apparently, you don't understand! Ferris, he never drives it! He just rubs it with a diaper! Cameron Frye Ferris Bueller's Day Off 1986 |
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