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Date:         Sun, 7 Sep 2003 21:08:24 -0500
Reply-To:     Larry Alofs <lalofs@RCN.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Larry Alofs <lalofs@RCN.COM>
Subject:      Re: failed SMOG, cylinder misfiring?
Comments: To: Craig Oda <craigoda@COMMUNITYBUILDERS.INFO>
Content-Type: text/plain; charset=us-ascii; format=flowed

Have you tried disconnecting one ignition wire or injector wire at a time to see which one makes the least difference? Be sure there is no leak in your exhaust upstream of the O2 sensor. Check carefully for vacuum leaks. Try a bottle of injector cleaner. good luck, Larry A.

Craig Oda wrote: > Hi, > I have a '83 1.9L watercooled that recently failed the hydrocarbon test > for CA SMOG. CO levels passed. > I just installed a new O2 sensor, but no change. > > Engine runs fine at highway speed, but there is a noticeable pulsing of > the exhaust at idle, almost as if one of the cylinders was not fully > combusting. > > Valves appear to be properly adjusted and cylinder compression appears > to be within spec (lowest was I think around 120). I can check again > since I have the tool. > > Any ideas on what to look for? > > If I can't fix this, in the next few days, I'm going to bring it into a > mechanic. I'm thinking about Fred's Garage in Redwood City, CA. Any > recommendations? I live/work in Palo Alto, CA, so there is Ole's Garage > near my office, but I don't know if he is a VW man or not. > > I would love to take it to Ben's place in Sacramento, but it's a bit too > far for me to drive there with my wife and drop off the van. > > But, hey, there is also the slim chance that i'll find the problem > myself (with the help of the friendly people on this list). > > Peace and Thanks. > -- Craig >


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