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Date:         Wed, 7 Jun 2000 22:20:11 EDT
Reply-To:     kenneth d lewis <kdlewis@JUNO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         kenneth d lewis <kdlewis@JUNO.COM>
Subject:      Re: Damnagon stutter !@#$
Comments: To: welshcu@PB.COM

Richard; I'll bet a doughnut it's the O2 sensor. More precisely the O2 sensor's wire is cracked and water is getting in it, shorting out the signal. Next time just unplug the sensor and see if it improves.

Drive Safely & Good Luck Ken Lewis <Kernersville,NC> 86 VW crewcab;60 356B Coupe --------------------------------------------------

On Wed, 7 Jun 2000 17:36:30 -0400 Richard C Welsh <welshcu@PB.COM> writes: >---------------------- Forwarded by Richard C Welsh/MSD/US/PBI on >06/07/2000 >05:34 PM --------------------------- > > >Richard C Welsh >06/07/2000 05:26 PM > >To: >cc: > >Subject: Damnagon stutter !@#$ > >My schitzo '87 2.1L assumed its evil alter ego personality yesterday >during a >hellacious downpour and kept loosing power/dying every 1-2 minutes. >I've had >highway-stutter before around 4000 rpm, but it usually worked itself >out after >loping for a bit. > >here's the scenerio: (very rainy, 50 degrees) An hour into the trip it >starts >loosing power under acceleration at 3000-4000 rpm. it then stalls, >but will >start up if i turn the ignition off and then on again. sometimes >it'll run for >a few minutes, other times only 30-60 seconds. despite the rain, >everything in >the engine compartment seems pretty dry. > >i'm thinking its an electrical or fuel system problem: > >-could the fuel pump or fuel injection relay overheat/fail and shut >off power to >the pump or injection system? i learned a while back that the pump >will kick on >for a few seconds when you crank the engine, then shut down unless the >engine >starts. (it seems that could lead to fuel starvation) When it dies, >it doesn't >sputter, it just cuts off and coasts w/o power. > >-how do you test an ignition coil/related ignition components? > >-isn't there a over-rev limiter built into the digifant system? if >this is >engaging at around 4000 instead of 6000 rpm, would it shut the engine >down or >just prevent additional RPM's? > >-btw, i just replaced the fuel pressure regulator and fuel filter >recently. > >as always, thanks for your advice. > >-Curt

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