well i have just built up my 4x4 to 2wd !! 2wd engine ,2wdecu,2wd wiring loom, all set to go and i have no spark when turning the car over have changed all these parts still same problem !! cps,ecu,chip,coil,dizzy,rotor,ign amp,loom,phase, relays, running out of ideas here i get a spark when turned to pos 2 and nothing when cranking !! fuel pump primes and have fuel pressure just no spark !! all 4 lugs are there on the pulley and checked power at coil and sensors and have changed the factory alarm relay box and have no aftermarket alarm on the car !! anyone ideas before i give up :P and timing is spot on too