Ed;
        Thanks for sharing that good bit of advice. I noticed water
(condensation) leaking at the doughnut interface in front of the
catalytic converter. I will check it out.

Drive Safely & Good Luck
Ken Lewis    <Kernersville,NC
86 VW crewcab;60 356B Coupe
Go to neksiwel.20m.com for pictures of my cars and some Vanagon tech
stuff.

On Wed, 31 Jan 2001 16:15:07 -0800 Ed DeBolt <eddebolt@NETZERO.COM>
writes:
>Hi All
>
>well get this. I have been thru various replacement and tuning
>expenses
>trying to solve performance problems. replaced muffler, O2 sensor,
>fuel
>filter, valve adjustment and lots of head scratching..... The good
>news is
>that I needed all those parts anyway but in the end it was the nut/cap
>for
>the CO test port on my exhaust system which is right before the
>catalytic
>converter. It seems this rusted and leaking slightly. my van was
>making more
>noise during acceleration but no noticeable difference at idle.....
>finally
>on a test ride up to lake tahoe the top of the cap blew off..... I
>just
>replaced it and now the van is runnning great. I figure a slight
>amount of
>air was getting into the system and causing the 02 sensor to richen
>the
>mixture.......
>
>Duh!!!!!! I guess my troubleshooting skills could be better,
>
>thanks to all those that offered help on the list
>
>Ed :-)
>
>
>Shop online without a credit card
>http://www.rocketcash.com
>RocketCash, a NetZero subsidiary

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