If you've got the money a lot of people would say yes. It kinda depends on your goals, that and figuring in the cost of going 7mgte compared to just going 2jz.
:icon_biggLooks like it's was a combination of a bad fuse block causing an 8 volt drop and a loose pin or 2 on the ecu plugs. Glad to have my car back on the road:icon_bigg
Update: changed the circuit opening relay now I'm getting
B+ 11.3v
batt 0v
+B1 11.31v
IGSwitch 0v
m-rel -.02v
FC 0v
FP 4.85v
I'm getting fuel pressure and cel but no spark now. Still no power to batt ignition switch and m-rel and still no power through diagnostic box what so ever.
I wanted to add that the ignition switch is turning everything else on in the on position such as all the other check lights on the dash just not the cel. I don't know if that makes a difference or not. What would my next step be? Trace the wire through the loom checking for burned spots or...
I checked them all with a volt meter. When I checked all of the ecu pins I did it with the same leads each time positive to the pins and negative to ground. Should it have been done differently on m-rel and batt?
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