I got the engine fixed and now this! - 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 06-20-2007, 01:00 AM   #1
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Old 06-20-2007, 10:56 AM   #2
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Old 06-20-2007, 11:01 AM   #3
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Any Check Engine light? Sounds like it might be electronics related to me. Have you scanned for codes?
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Old 06-20-2007, 11:06 AM   #4
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Birch...if you'd like us to see your previous post with the engine..please link it.

Meanwhile.. to remove the engine by itself the transmission connectors shouldn't need to be removed. I think you are ok there. The vacuum line you mention would be the vacuum modulator to the transmission. First off..it'* a vacuum leak and should make the car run poorly if it'* disconnected before the check valve (on some models).

Your problem occurs once the engine is thoroughly warmed up, oil pressure etc are good which rules out a bad bearing. I'm thinking this could be electrical.

Test the coils per the Techinfo article. Double check your battery cables and ensure they are clean and corrosion free under the boots at the battery also.

Would you say that once the engine starts to cool it will run again w/o stalling?

Another item to check would be the fuel pressure.
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Old 06-20-2007, 11:18 AM   #5
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I agree.. Get the fuel pressure checked...

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Old 06-20-2007, 12:30 PM   #6
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While you're doing the above, make sure the bolts on the Throttle Body are tight. Mine used to do something similar to waht you're describing, and while replacing my FPR I found out all three TB Bolts were loose. It quit acting up immediately after that.
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Old 06-20-2007, 01:46 PM   #7
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Old 06-20-2007, 02:49 PM   #8
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It can't be helping. Replace that line with vacuum line. This line won't collapse like the one that is on there now.
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Old 06-20-2007, 11:42 PM   #9
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Old 06-21-2007, 07:59 AM   #10
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