Date: Tue, 18 Dec 2001 17:37:11 -0600
Reply-To: Larry Alofs <lalofs@ENTERACT.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Larry Alofs <lalofs@ENTERACT.COM>
Subject: Re: Help! No ground to the fuel injectors???
Content-Type: text/plain; charset=us-ascii
Did you check the temperature sensor on the head. As I recall the ECU
on a type 4 shuts down completely if that sensor becomes an open
circuit. Try just grounding that wire temporarily to see it it makes
any difference.
Larry A.
Zoran Mladen wrote:
>
> Hey Dennis,
>
> Thanx for the message!
>
> I am getting the pulse at the coil, and the wire ECU
> wires are plugged into this side of the coil. I'm
> getting the positive pulse to the ECU - checked the
> wire to ensure there are no breaks.
>
> I'm getting juice via the double relay. But no ground
> to the injectors - no pulse, no constant ground,
> nothing. I drove the car prior to pulling the engine,
> so I don't think the problem is the ECU. I think its
> either a break in a wire somewhere or a misplaced or
> miswired wire.
>
> Any other thoughts?
>
> Z
>
> --- Dennis Haynes <dhaynes@OPTONLINE.NET> wrote:
> > The ground is actually switched/pulsed by the ECU.
> > This is how the fuel
> > delivery is controlled. You need to check the wiring
> > and either
> > determine if there is some reason the ECU is not
> > controlling the
> > injector. Check the trigger wire to the ignition
> > coil. The injectors
> > should pulse every other spark,(once each
> > revolution). A bad temp sensor
> > may also cause this.
> >
> > Dennis
> >
> >
> > -----Original Message-----
> > From: Vanagon Mailing List
> > [mailto:vanagon@gerry.vanagon.com] On Behalf
> > Of Zoran Mladen
> > Sent: Monday, December 17, 2001 4:16 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Help! No ground to the fuel injectors???
> >
> > Hello everyone!
> >
> > Its been a few weeks since I have been on the list.
> > I
> > am currently transitioning between jobs, so I
> > unsubscribed to the list. Will subscribe again
> > through my new company in about a week.
> >
> > Ok, now on to my problem. I have an 83 Westy
> > air-cooled that I just rebuilt the engine in. Ran
> > fine before except for a dropped seat in number 3
> > cylinder. Everything is rebuilt and installed but I
> > am having a problem. It will not start. I have
> > checked the fuel injection via the harness per
> > Bentley
> > and everything checks out. Also, I have checked and
> > rechecked the connections - everything looks good.
> > It
> > turns over, fuel pressure is about 39 pounds. I
> > have
> > spark to the spark plugs. The problem is I have no
> > ground to the injectors, the juice via the double
> > relay is there, but no ground - so no gas.
> >
> > Its a California car and has a couple extras like a
> > speed limited relay. I also tried bridging the idle
> > stabilizer to no avail. Simply no pulsing ground to
> > the injectors, heck, no ground whatsoever.
> >
> > Any ideas????
> >
> > Z
> >
> > __________________________________________________
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