i have a 92 lexus ls400, came back from vacation, car wouldnt go over 15 miles, recognized it was the catalac converter mechanic emptied it, changed plugs, wires, and oil. car is spinning, but will not start up. he did not reset anything if something needed to be reset again. ignition control module, computer is good crank shaft good. please can anybody help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!