1993 Toyota 4Runner Q&A
1993 Toyota 4Runner Question: Engine Exchange
not difficult if you are a trained tech with electrical experience, the computer has to be replaced and the wiring adapted to fit the computer connectors and the new engine sensor plus there will be extra sensors to install sockets for, like o2 sensors, camshaft sensor, crankshaft ands many more, i have the same truck and i rebuilted the engine for about $800 in parts and 4 days of work, you can find the kit on ebay from many vendors, good luck - yourpixels
Check codes P0133 stated: #3 misfire & P0130 slow response O2sensor bank 1, sensor1. I had spare Coils & wires from a 40K exchange engine from japan, installed @ 135k. (Rod failure x exc...