by "jeremyal" <crap@[EMAIL PROTECTED]
>
May 15, 2008 at 03:25 PM
Replaced ECM with a remanufactured one and truck runs perfectly.
"jeremyal" <crap@[EMAIL PROTECTED]
> wrote in message
news:isnTj.758$b%1.218@[EMAIL PROTECTED]
> Hi,
>
> My truck has no fuel and no spark. The ASD and fuel pump relays both
> tested good and have power at the connectors. The first time it
wouldn't
> start for me, with key on the relays would rapidly click on/off while
the
> check engine light flashed in sync with them ...the relays don't click
> anymore and the check engine light will not come on at all. I did
verify
> that there was power and ground at the ECM harness (but I don't know
which
> pins are supposed to be what). Is it likely that ECM itself has failed?
> If so, do they just fail on their own, or is there likely a short or
> something that will fry another one if I replace it?
>
> Thanks for any advice,
> Its a 1992 5.2L MPFI, around 225k miles
>
>
>
>
>