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Date:         Tue, 29 Sep 2009 07:01:36 -0500
Reply-To:     Michael Sullivan <sandwichhead@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Michael Sullivan <sandwichhead@GMAIL.COM>
Subject:      Re: No injector spray pattern
Comments: To: Zolly <zolo@foxinternet.net>
In-Reply-To:  <1F1E141DCC95490C844A55DAADAE7C88@ZoltanPC>
Content-Type: text/plain; charset=ISO-8859-1

In my case, my hall sender was hinky. So I wiggle the black connector that is mounted to the side of the dizzy(while someone else cranks over the engine) and I would get an intermittent spark. There are 3 wires in the hall sender and one of mine was worn through and only making contact once in a while. Switched out the dizzy(cuz it was cheaper to get a complete one from Scott than getting just a new hall sender) and Voila, spark. Couple of minutes later and I'm back on the road. Now if anybody has a good used Hall sender, I can rebuild my old dizzy and have a good spare. Hope this explains it. Michael in San Antonio 91GL AT 'Gringo' 73 Beetle

On Mon, Sep 28, 2009 at 10:38 PM, Zolly <zolo@foxinternet.net> wrote:

> I don't understand your explanation. What do you wiggle and how do you > know there is a spark inside the distributor? > Z > > ----- Original Message ----- From: "Michael Sullivan" < > sandwichhead@GMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Monday, September 28, 2009 10:28 AM > Subject: Re: No injector spray pattern > > > TJ...Someone told me to wiggle the hallsender while someone else cranks >> it >> and see if you get a spark from the coil wire on the dist cap. If the >> sender is going out, you will get a weak spark. That was my prob and all >> good now. Try it. Then if it works, tell Scott Foss THANKS. Good luck. >> Michael in San Antonio >> 91GL AT 'Gringo' >> 73 Beetle >> >> >> On Mon, Sep 28, 2009 at 11:58 AM, TJ Hemrick <x53gunner@gmail.com> wrote: >> >> Rocket, >>> I realize it was discussed previously, in fact, it was less than a week >>> ago. Previously, it was unknown why the van was not running as it had >>> fuel, >>> spark, air. Turns out, fuel stopped at the injectors. I should have >>> figured that out sooner but I was pretty frustrated and started playing >>> "swap-tronics" instead of troubleshooting. Now that we cracked that nut, >>> I >>> pulled both banks of injectors and I do NOT have a spray pattern. They're >>> BONE dry. THAT is the problem. I should have started at the Injectors >>> and >>> worked backwards from there but I assumed (incorrectly) it was the >>> pump/filter. Well, we all know what happens when we "assume" so I bear >>> the >>> responsibility on that one. I already payed the price in extra work so >>> my >>> dues are done. As per Ken Wilford, I'm going to swap the distributor and >>> see if the hall sensor is the issue since it's the trigger for the ECU. >>> Not >>> much else to check as I've been through every ground and connection in >>> the >>> back end of that van, all the fuses, relays, and anything else I could >>> unhook, clean, and reconnect. On top of that, I've already replaced the >>> fuel pump, ECU, and filter as a double check. Why, at this point, the >>> injectors are dry is the issue. >>> >>> TJ >>> >>> Date: Mon, 28 Sep 2009 06:40:16 -0700 >>> From: Rocket J Squirrel <camping.elliott@GMAIL.COM> >>> Subject: Re: Fuel injection trouble >>> What Mike S said. The pulses that drive the injectors are too brief for >>> your basic meter to capture and display. You'd need a fancier "peak hold" >>> meter or oscilloscope to properly measure them. >>> What you're seeing suggests that the injectors are being driven, confirm >>> by checking for spray, as Mike S suggests. The subject was discussed here >>> less than a week ago, and some procedural and safety tips were mentioned. >>> -- >>> Mike "Rocket J Squirrel" Elliott >>> 84 Westfalia: Mellow Yellow ("The Electrical Banana") >>> 74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.) >>> Bend, OR >>> KG6RCR >>> >>> >>> Date: Mon, 28 Sep 2009 09:11:43 -0400 >>> From: Mike S <mikes@FLATSURFACE.COM> >>> Subject: Re: Fuel injection trouble >>> At 08:24 AM 9/28/2009, TJ Hemrick wrote... >>> > I'm not getting any fuel out of the injectors but definitely have >>> > good >>> >clean fuel in the lines. I had some help and found the injectors were >>> >getting voltage but it's incredibly low. It peaks at 4 volts and >>> >within two >>> >revolutions, it holds at 2-3 volts max. >>> If you're just using a simple multimeter to measure the voltage, that >>> sounds correct. The injectors are pulsed, so even if they get full >>> voltage when pulsed on, the meter will average the voltage down. You >>> would need an oscilloscope to see the actual drive voltage. >>> Pull the injectors on one side, and check the spray pattern. >>> ------------------------------ >>> >>> > > > -------------------------------------------------------------------------------- > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.409 / Virus Database: 270.13.113/2400 - Release Date: 09/28/09 > 05:51:00 > >


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