06 Lacrosse RPM jumps a lil - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-14-2010, 12:51 AM   #1
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Default 06 Lacrosse RPM jumps a lil

2006 Buick lacrosse 3.8 45k arizona weather,,,,, i noticed the rpm jumps a little, maybe 100rpm you can hardly notice it, any ideas?????
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Old 11-14-2010, 08:08 AM   #2
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Clean the MAF, look for any vacuum leaks.
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