[Gmecm] Injectors Not Firing...

[Clair Davis]

It's definitely something I should look into at some point, there were a lot
of things going on at the shop (builder's brother had heart problems for a
while) so something COULD have been overlooked when they put mine together.
I'll keep that in mind, and see about dropping some money at Mr. Moates'
place soon...

Clair


----- Original Message ----- 
From: "Jared Ryan" <jryan at caminofx.org>
To: <gmecm at diy-efi.org>
Sent: Sunday, October 08, 2006 9:53 PM
Subject: Re: [Gmecm] Injectors Not Firing...


> It's just something I thought I'd throw out, because it really stumped
> me with my 1228746.  There well could be something entirely different
> in play in your case.
>
>   ---> Jared Ryan <---
> jryan at caminofx.org | http://www.caminofx.org
>
> On Oct 8, 2006, at 9:34 PM, Clair Davis wrote:
>
> > Jared,
> > I don't know if it's got VATS enabled, the chip was burned with
> > criteria I
> > supplied, and I'm ASSuming that they didn't leave that on for my 69
> > Plymouth
> > Valiant.  I won't be able to check that until I get some form of PROM
> > reading capability, I guess I ought to do that pretty soon...
> >
> > Nick,
> > I didn't think to check for 12V at the plug, I just plugged in the noid
> > light to see if anything happened.  I'll see if I can check that
> > tomorrow
> > after work.
> >
> > Clair
> >
> >
> > ----- Original Message -----
> > From: "Jared Ryan" <jryan at caminofx.org>
> > To: <gmecm at diy-efi.org>
> > Sent: Sunday, October 08, 2006 8:56 PM
> > Subject: Re: [Gmecm] Injectors Not Firing...
> >
> >
> >> Does your PROM have VATS enabled?  That's what messed me up when I
> >> converted to TBI.  I had exactly the same symptoms: everything was
> >> fine
> >> except no fuel was being injected.  The VATS-enabled ECM was simply
> >> trying to keep me from stealing my own car.
> >>
> >>   ---> Jared Ryan <---
> >> jryan at caminofx.org | http://www.caminofx.org
> >>
> >> On Oct 8, 2006, at 8:49 PM, Clair Davis wrote:
> >>
> >>> Got everything to the point that I could try to fire the old Plymouth
> >>> up
> >>> today.  Everything SEEMS to work, except the injectors.  No gas smell
> >>> in the
> >>> tail pipes or intake, no flashing on the noid light, I'm guessing the
> >>> injectors aren't injecting.
> >>>
> >>> Here's what I know:
> >>> - #1 plug is firing on the early side of TDC
> >>> - spark is nice and regular (according to the timing light)
> >>> - there's over 40psi of fuel pressure at the regulator
> >>> - there's fuel in the rails
> >>> - the fuel pump relay is doing it's thing
> >>> - no fuses appear to be blown
> >>> - ECM is grounded to the engine block, and engine/chassis grounds are
> >>> good
> >>>
> >>> Here's what I don't know:
> >>> - does the ECM case need to be grounded? (assuming not)
> >>>
> >>> I haven't hit my 1990 Camaro FSM yet, but I figured I'd better throw
> >>> this
> >>> out to the masses anyway.  Anyone have a clue as to what's going on?
> >>>  I
> >>> really think everything is pretty solid, from a wiring standpoint,
> >>> and
> >>> fuel
> >>> is obviously not an issue (other than the small leak at the pump, and
> >>> the
> >>> fact that it's not getting in to the combustion chambers).
> >>>
> >>> Any help would be greatly appreciated!
> >>>
> >>> Clair
> >>>
> >>> _______________________________________________
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> >>>
> >>
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