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Date:         Sun, 30 Jul 2006 09:23:50 -0500
Reply-To:     John Rodgers <inua@CHARTER.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Rodgers <inua@CHARTER.NET>
Subject:      Re: Bucking/misfire on the Freeway.
Comments: To: SKP <skp@ONSHAKYGROUND.COM>
In-Reply-To:  <C0F135C3.5208%skp@onshakyground.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Two possibilities - O2 sensor or Vanagon Syndrome. The easy one is to run it until it happens again, then stop, disconnect the O2 Sensor and run it a bit. If the problem doesn't occur again, check your connections and wiring to the O2 sensor and/or replace the O2 Sensor. If after disconnected the O2 Sensor the bucking continues to occur, then you probably have the Vanagon Syndrome. I think if you go through Vanagon.com you can find a web site with a description on how to deal with it.

Good Luck.

Regards,

John Rodgers 88 GL Driver

SKP wrote: > I am hoping someone can shed some light on particularly difficult problem. > > When driving on the freeway for a while, I have an abrupt bucking/misfire. > It is very specific in that it happens only when I slightly let off the > accelerator and will go away for a few minutes if I press the accelerator > firmly or release the accelerator. Sometimes this behavior will continue > until I stop the car or may simply stop the behavior on its own. > > The only discernable pattern is that if the road requires acceleration and > deceleration, the problem doesnąt surface. If there is a steady constant > speed, and I slightly lift the accelerator, the behavior begins. > > >


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