Wj 4.0 differences?

Mac5005

Mac5005

Well-Known Member
Joined
Oct 19, 2005
Location
Rocky Mount
What are the differences between an 01 and 02 wj 4.0 motors. I'm familiar with the older yj stuff but not with any of the newer or grand Cherokee stuff.

Mainly, the difference between an 01 and 02 wj 4.0 motors and interchanges.

Thanks.
 
only issue would be if you put the 01 computer in an 02 jeep. I think the obd2 would report 01.... and you may fail inspection, since the motor would need to be from same year or newer... (or at least that used to be the case? haven't looked into an engine swap in a few years.)
 
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