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Date:         Mon, 25 Dec 2000 23:02:19 -0500
Reply-To:     Gary Stearns <gstearns@SPRINTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Gary Stearns <gstearns@SPRINTMAIL.COM>
Subject:      Re: hesitations/AFm vs. harness

I'm not sure where you live, but we just experienced pretty much the same thing on our '88. Turns out it is related to winter and the salt on the roads. The high tension lead from the coil to the distributor was laying against several good grounds. There were slight worn areas in the insulation. Add salt, and presto: short out. I repositioned the lead, cleaned it, covered it with silicone spray, and the problem is gone. Seems odd, but our tach did not miss a beat either. I'll be replacing the wires soon. Gary ----- Original Message ----- From: Paolo <got_art@TELIS.ORG> To: <vanagon@GERRY.VANAGON.COM> Sent: Monday, December 25, 2000 6:26 PM Subject: hesitations/AFm vs. harness

> Dec 25, 2000 > 3:21 PM PST > Hello all, > Well I'm not sure to replace the harness fix for the AFM or just go with > a new AFM from bus depot. VW original part vs bosch? $20 cheaper on VW > part from bus depot. Any opinions. > Original post follows. > Thanks for all you help > Cheers, > Paolo > > > Symptoms: > '87 Westy > 90,000 miles (drive about 4k a year- not used much-mint) > Original owner (new problem -never happened) > New rotor,cap, wires and installed new fuel filter and 3 cans of gas > treatment (for water absorption). > > > > The van will hiccup or hesitate and lose power momentarily for maybe half > a second, like a hiccup. I watched the tach when it does it and it does > not go down to zero or fluctuate at all maybe when the hesitation is > about a second it may drop one indicator line on the gauge. The frequency > of this happening is now increasing- maybe once every 4 or 5 min. > > When it happens: Uphill, cruising and downhill with foot on throttle. > > Does not happen: Downhill with foot off throttle, 1st gear or at idle. > > Possible areas- let me know what you people think: > > fuel pump relay > fuel pump > ignition switch > distributor pick up (hall?) > air flow meter > ECU >


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