MAF/MAP and vac leak - 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 04-21-2010, 09:20 AM   #11
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With your LTFTs, are you looking at live data, or averages? Live data is nice, but not what you really want to watch. It moves around to much. At idle your going to be a bit lean, why waste the gas when it'* not needed. Put it in gear and it will richen up. As long as your between +5 and -5 your fine. If you need screen captures for scans, just let me know.
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