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Old 11-28-2012, 07:03 PM   #1
Barry
1st Gear Newbie
 
Join Date: Dec 2009
Location: Tecumseh On
Posts: 20
Surging engine at idle HELP

So I got the engine rebuilt. I have the transmission swapped out for a 5 speed. A new gas tank. All good things, except now the darn engine surges between 1700 and 2300 RPM when I start it. I have changed the idle control valve and the MAF, no difference. If anyone has any ideas please pass them on thanks.

!990 325is m20
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