Date: Tue, 17 May 2022 06:59:33 -0700
Reply-To: David McNeely <davmcneely40@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David McNeely <davmcneely40@GMAIL.COM>
Subject: Re: ECU Digital
In-Reply-To: <F7A1ED4E-3849-4823-8731-386EE2FDEA82@comcast.net>
Content-Type: text/plain; charset="UTF-8"
Eric, when I first got my '91 Campmobile (2.1 Waterboxer, at 138K miles at
that time), it would sometimes but not always lose all power on intended
acceleration. Once I got all components in specification (air, ignition
including timing, fuel) that went completely away and has never reappeared.
On Mon, May 16, 2022 at 7:39 PM Eric Caron <ericcaron96@comcast.net> wrote:
> Hi Dennis,
>
> I was just not sure what the word mild was. My screen reader
> read it as Milt Cam.
>
> I realize now it must have meant Milled cam.
>
> I enjoyed reading the write up on the 2.3 engine.
>
> Interestingly I have the original 2010 packet of the work order and
> estimates and work done. my 84 and the HP on the 2.3 in 2010 is 105 not
> 114. Maybe because of no GW engine management.
>
> Or the engine has changed in the last 12 years.
>
> It also said specifically for the 1.9 management and manual transmission.
>
> Interestingly also, my contact at GW said the work was not done there, but
> the paper work I have indicates that the engine and much more was done at
> GW in 2010.
>
> I don’t need it to be perfect but when we step on the gas it needs to go
> forward rather then loose almost all power.
>
> I look at this van as a long term project but I really appreciate the
> guidance. The more I know and the better prepared I am the better the
> outcome.
> It is so nice to be able to work on this van and mean while my 85 is ready
> for adventures!
>
> Eric Caron
> 84 Westfalia
> 85 Westfalia
>
> > On May 16, 2022, at 2:51 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM>
> wrote:
> >
> > Eric,
> > Check the features of the GW 2.3.
> > • A exclusive proprietary GoWesty camshaft grind!
> > I don’t know the specs of this grind. The lift, timing including
> duration all have an effect o the air flow through the engine at various
> speeds, loads, and throttle positions. Valve timing and overlap effects the
> flow and the way the air flow pulses. The engine management is set up based
> on certain assumptions. This camshaft change changes many of those
> assumptions. How well can the engine management compensate? Some better
> than others. So in your case you have increased engine displacement about
> 21%, changed compression, changed the valve timing, and you still want it
> work perfect.
> >
> > Dennis
> >
> >
> >
> >
> > 2300cc engine – GoWesty<https://gowesty.com/products/2300cc-engine>
> >
> >
> >
> > From: Eric Caron <ericcaron96@comcast.n
> > Sent: Monday, May 16, 2022 2:15 PM
> > To: Dennis Haynes <d23haynes57@HOTMAIL.COM>
> > Cc: Vanagon List <vanagon@GERRY.VANAGON.COM>
> > Subject: Re: ECU Digital
> >
> > Hi Dennis,
> >
> > I’m collecting your last several emails on this topic and have them
> printed and hoping to follow the steps when I have a more skilled helper.
> >
> > One question though,
> >
> > What did you mean when you wrote mild cam?
> >
> > And how does this impact things?
> >
> >
> >
> > For the high idle, this is always a result of some combination of
> incorrect basic settings, excess or unmetered air getting into the intake.
> In addition having a 2.3L which also has a mild cam will rarely work
> perfectly on the 1.9 set up.
> >
> >
> >
> >
> >
> > On May 15, 2022, at 10:10 AM, Dennis Haynes <d23haynes57@HOTMAIL.COM
> <mailto:d23haynes57@HOTMAIL.COM>> wrote:
> >
> > If I recall this tool was mostly for the 86 and later Digifant. It
> probably can also work on the Digi jet. Either the ECU or the harness need
> to be modified to use.
> > While you are looking for a simple easy to find and fix bullet to solve
> your woes, the Digi-Jet is still a fairly simple system and with very few
> exceptions most running problems end up being outside the fault of the FI
> system.
> >
> > For the high idle, this is always a result of some combination of
> incorrect basic settings, excess or unmetered air getting into the intake.
> In addition having a 2.3L which also has a mild cam will rarely work
> perfectly on the 1.9 set up.
> >
> > Start with checking that the throttle body is properly adjusted. It
> needs to fully close without the palte sticking in the bore. There is a
> stop screw and lock nut for this adjustment. This is extremely critical as
> your distributor has both vacuum advance and retard. The plate needs to
> close properly to close off the advance port in order for the retard to
> work properly. The distributor should also be tested that the vacuum
> operated and mechanical advance parts are working. If setting timing at
> idle confirmation is needed that the vacuum retard is in fact fully
> retarded. Warm, engine, disconnect O2 sensor and use the sensor and meter
> to fine tune AFM. Make sure warm up regulator is closing, uses a heater and
> engine case temp to close. Set timing 5 ATDC, mixture to ~.5 volt on O2
> Sensor and base idle speed 850-950 rpm.
> >
> > For the off isle stumble make sure that the closed throttle switch opens
> immediately as throttle is opened. If not you go into injector cut off at
> ~1350 rpm. Then after that O2 sensor is ignored for a number crankshaft
> revolutions. Operation will be wacky.
> >
> > Since this engine has some miles on it it would be a good idea for a
> compression and leak down test. As this combination may also be susceptible
> to detonation it is also a good idea to put a camera inside the cylinders
> and look for piston damage. Carbon in the intake ports and back of the
> intake valves can also cause running problems.
> >
> > Dennis
> >
> > -----Original Message-----
> > From: Vanagon Mailing List <vanagon@gerry.vanagon.com<mailto:
> vanagon@gerry.vanagon.com>> On Behalf Of Eric Caron
> > Sent: Sunday, May 15, 2022 8:18 AM
> > To: vanagon@GERRY.VANAGON.COM<mailto:vanagon@GERRY.VANAGON.COM>
> > Subject: ECU Digital
> >
> > So, I’m still at the start of diagnosing a running issue with high idle
> and more importantly loss of power when step-in on the gas at a stop.
> >
> > But, A friend was just handed a interesting tool he wants to try out on
> the 84 running the 1.9 ignition
> >
> > What do you know about the ECU digitool has the name Darrel Boelher, in
> the paperwork.
> >
> > Has a long ribbon cord to take the device to the dash to watch w while
> driving and a LCD screen and lights.
> >
> > Anyone out there still using this tool and anyone know it’s history or
> usefulness?
> >
> > Eric Caron
> > 84 with 1.9 ignition
> > 85 with GW management
> >
>
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