[Gmecm] Injectors Not Firing...

[Clair Davis]

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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