URGENT! Car starts up and turns right back off - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-04-2011, 01:06 AM   #1
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Default URGENT! Car starts up and turns right back off

Really need some help here. Just reassembled after doing LIM gaskets, UIM, radiator and water pump. Car starts up BEAUTIFULLY. Immediately turns right back off. I tried to push the gas a little bit and I heard a pop.

Last time I did this I flooded some of the cylinders, but then it didn't crank at all. So it couldn't be that again could it? I looked at fuel injectors / fuel lines, but they all seemed connected as they should be. Need help can check immediately. Thanks in advance.
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Old 10-04-2011, 01:24 AM   #2
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Highly unlikely this is due to a bad part. Most likely didn't connect something properly. What should I be looking for?
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Old 10-04-2011, 02:11 AM   #3
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Had a vacuum leak. I fixed that, now it starts, revs up real high, shoots down, goes back up to about 2000 RPMs, then dies. Is this misfiring? It seems like the vacuum leak definitely had an impact.. maybe there is another one somewhere?
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Old 10-04-2011, 03:04 AM   #4
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Got er runnin'.

Was a combination of the vaccuum leak and the EGR tube slipping partially out of it'* hole. Thanks for everyone'* help who replied
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Old 10-04-2011, 03:41 AM   #5
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Congrats on solving your problem so quickly. Hopefully you don't run into anymore
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Old 10-04-2011, 11:39 PM   #6
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You cursed me! Lol, tensioner gave out on way to work...had to choose between towing to a shop or home. I chose . Should have taken a closer look! Ouch.
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Old 10-05-2011, 12:00 AM   #7
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Hahaha Sorry bud. I replaced the tensioner on my car Saturday. Not a big deal.
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Old 10-05-2011, 12:10 AM   #8
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Yes, the tensioner is a cake walk, one that I would even contemplate doing in the parts stoor parkinglot.
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Old 10-05-2011, 12:22 AM   #9
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Just make sure your engine has had plenty of time to cool off. lol
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Old 10-05-2011, 03:35 PM   #10
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I would have loved to do it myself, but the belt slipped and got shredded, so I either had to go to a shop or home.. And if went home I'd have no way to get to the parts store.. So I bit the and went to a shop so I could get to work. So much for saving the money on the cooling rebuild.
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