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Date:         Fri, 24 Jun 2016 13:38:19 -0400
Reply-To:     Dennis Jowell <dennisjowell@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Jowell <dennisjowell@GMAIL.COM>
Subject:      Re: GOWESTY AFM no start problem
Comments: To: Dennis Haynes <d23haynes57@hotmail.com>
In-Reply-To:  <BAY405-EAS154B0ED8DDA0E6EDF4CF9E9A02D0@phx.gbl>
Content-Type: text/plain; charset=us-ascii

O2 Green wire to braided wire with ignition on is .44 VDC is this correct ? Hope fully I understood your suggestion. This is using my craftsman digital multimeter.

Dennis J

Dennis Jowell Scotch Hollow Farm Newbury, Vermont

> On Jun 23, 2016, at 7:18 PM, Dennis Haynes <d23haynes57@hotmail.com> wrote: > > As a 2 check for the O2 sensor signal wire, with the ignition on you should > measure ~.5-/6 volt between that wire and chassis ground with the sensor > disconnected. > > Dennis > > > > -----Original Message----- > From: Dennis Jowell [mailto:dennisjowell@gmail.com] > Sent: Thursday, June 23, 2016 1:22 PM > To: Dennis Haynes <d23haynes57@HOTMAIL.COM> > Cc: vanagon@GERRY.VANAGON.COM > Subject: Re: GOWESTY AFM no start problem > > Dennis > I checked the plugs they are running on the lean side (whitish electrodes )

> but no fouling there. The AFM is brand new from GOWESTY I just got it in my > mail and I never used it until yesterday. > Checked the O2 sensor connections. Green wire- the braided copper is > continuous to body ground, solid center wire to ground is around 200 ohms to > ground. I cannot find info on the required ohms for the center solid wire in > my Bently I originally thought that the solid center wire should not have > any ohms to ground on it. This must mean that the interior wire is making > contact with the braided wire. Would this be true ? > > Dennis Jowell > Scotch Hollow Farm > Newbury, Vermont > > >>> On Jun 22, 2016, at 8:37 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> >> wrote: >> >> In your messing around you may have gotten it so rich you fouled the >> spark plugs. Check them first. If so the O2 sensor is most likely also

>> fouled and if lucky the time period was short enough that you didn't >> destroy the catalytic converter. Now as to what could have happened. >> You could have something as little as a poor connection at either the AFM

> or the O2 sensor. >> Those sliding contacts on the airflow meter can be very troublesome. >> They don't have that much "wipe" pressure and just a little corrosion >> makes them intermittent. Also, the wires break inside the insulation >> or fail at the crimp. Most true AFM issues are in fact contact issues.

>> When lucky changing the part takes care of the contact problem and you > think you did good. >> >> Changing parts like this you need to learn how to test for proper >> operation including O2 sensor voltages both disconnected (open loop) >> and connected, (closed loop, in control). >> >> Dennis >> >> >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On >> Behalf Of Dennis Jowell >> Sent: Wednesday, June 22, 2016 12:38 PM >> To: vanagon@GERRY.VANAGON.COM >> Subject: GOWESTY AFM no start problem >> >> Here we go, >> My Westy 2.2 WBX was running almost great after traveling 2500 miles >> to Ontario and back to Vermont. Decided to install the new >> reconditioned GOWESTY AFM today. >> I disconnected the O2 sensor then installed the AFM started the engine

>> with the O2 still disconnected idled great. Shut everything down > reconnected O2. >> With engine warn went for a short trip on our dirt road accelerated >> engine it started to miss fire then died! Got it started at idle then >> accelerated and it died again. Got it going again, limped back to the farm > at idle only. >> Now it won't start at all! I reinstalled the old AFM and it made no >> difference. Still no start. Engine turns over, disconnected the return

>> to fuel tank line fuel comes out ok. I can hear the fuel pump running.

>> I think the filter and pump are working., 2 days ago I changed the >> hall sensor wring with a new connector from GOWESTY, cleaned the hall >> sensor ground lead. It ran great after that installation. >> I'm about to try the"No Start tool" wiring kit that was suggested to >> use on the site. But before i did this I thought I would ask for ideas. >> >> Dennis Jowell >> Scotch Hollow Farm >> Newbury, Vermont


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