Bad Idle (gonna fix this once and for all) - Page 2 - 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 04-14-2007, 04:06 PM   #11
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Just tested my vacuum pressure, and it was a steady 14 psi at idle.
BTW, this was tested right after a 15 minute drive, and the engine was still hot. It was in park, too.
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Old 04-14-2007, 08:35 PM   #12
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Bump! No one knows if that'* ok????
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Old 04-14-2007, 10:21 PM   #13
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I still think we should buy a good Fuel pressure gauge with a long hose and drive around to get a proper reading. I kinda don't trust the cheapy Harbor freight gauge I bought.
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Old 04-14-2007, 10:27 PM   #14
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yeah...
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Old 04-15-2007, 04:57 AM   #15
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Any way of scanning to check numbers on the TB electronics. Perhaps you have a funny IAC or MAF.
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Old 04-15-2007, 06:36 AM   #16
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Quote:
Originally Posted by petraman
Just tested my vacuum pressure, and it was a steady 14 psi at idle.
BTW, this was tested right after a 15 minute drive, and the engine was still hot. It was in park, too.
Something like 19" would be normal for N/A,,, Do you mean 14 inches of vacuum or negative 14 psi?
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