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#11: 12-10-2012, 06:31 PM
 
 m sprank
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Title: Vendor III
Location: Escondido, Ca
Car: Stg3 08 5EAT + Stg3.5 08 SpecB
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Could be a small manifold leak. O-rings on 05-07 are thinner than 08-09. After time they begin to leak. Cause rough idle and eventually misfires (once bad enough). It will seal itself up as motor heats to operating temp. So, issue is there when cold, but gone once TGV's expand and the o-ring seals again.
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