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Unread 07-15-2013, 01:18 AM   #16
VenomousMaximus
Registered User
1992 YJ Wrangler 
 
Join Date: Jun 2013
Location: San Antonio, Texas
Posts: 82
I run about 1/2 a bottle in crankcase every oil change to keep lifters free And run a bottle in fuel tank every other fill up...
It will fix carbon'd up valves / rough idle, it cured my issues. I had a carbon'd up valve(s) and a lifter tap... the lifter tap is almost gone and no rough idle anymore.

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