asd relay or efi main? If you scan it do you see cranking rpms.
> wrote in message
ups.com...
> Hey guys,
>
> I've got a very frustrating problem here. Customer brought in a 1990
> Jeep cherokee limited, 4whldrv, automatic. We replaced the engine with
> one from a 1996. All the appropriate electronics were switched from
> the old engine to the new including, distributor, cap, rotor, coil,
> CPS, flywheel, intake and exhaust, all injectors (already on old
> intake). The problem is we now have a no start/no spark condition.
> This swamp is common at our shop, (newer 4.0L into older jeep) and
> always goes off without a hitch. This is the first time I've run into
> this. We've replaced the CPS, coil and ignition module check out O.K.,
> Distributor checks out. We even put all the suspect parts into another
> jeep and they worked fine. The computer has also been replaced but to
> no avail. Any input would be appreciated. Thanks.
> Jesse
>



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