[Gmecm] Injectors Not Firing...

[Jared Ryan]

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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