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#9: 07-08-2013, 04:18 PM
Title: Contributor
Location: Galena, IL
Car: 1999 Legacy "L" 5MT, 1997 Jeep Wrangler
Posts: 532
iTrader: (1)
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Mine WAS throwing cat codes but hasn't done it for months. Code P4020.

Beyond dropped valve guides that's the last thing for me to check...