Could be a failing distributor.
Chris DeLong Fine Tuning 206.367.5503 www.finetuningperformance.com Seattle, WA USA
>From: Tim Demarest <tim.demarest@POBOX.COM> >Reply-To: Tim Demarest <tim.demarest@POBOX.COM> >To: vanagon@GERRY.VANAGON.COM >Subject: Re: Erratic Tachometer and Power Loss >Date: Wed, 7 May 2003 22:42:07 -0400 > >Larry, > > Dunno if it will help diagnose your problem, but I've noticed (in >my '85) that when the system voltage is *low* , the tach will swing >*high*... maybe your alternator brushes are on the way out, or an >intermittent short somewhere is pulling the voltage down. > >Tim > >At 02:27 PM 5/7/2003 -0700, Larry H wrote: >>Good evening all - >> >>Hoping this rings a bell with someone: >> >>My tach periodically behaves erratically, swinging >>between zero to 4000 rpm while at a stop light. It >>calms down as the engine speed increases. >> >>BUT, there is a high probablity of a power loss >>occurring afterwards. >> >>The power loss is manifest in either of two ways: >> >>1. Running smooth, but down on power....like a >>temporary fuel filter plug or a timing retard. >> >>2. A complete shutdown. The wiring harness patch has >>moderated this (usually)to a hard stumble, then it >>runs Ok. >> >>Thanks, >> >>Larry Hensley >>'88 GL automatic (Acadia) >> >>__________________________________ >>Do you Yahoo!? >>The New Yahoo! Search - Faster. Easier. Bingo. >>http://search.yahoo.com _________________________________________________________________ Protect your PC - get McAfee.com VirusScan Online http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 |
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