Measure the voltages on the three throttle position sensor wires. They should be 5.0 volts, 0.2 volts, and the middle one will have between 0.5 and 4.5 depending on throttle position. You'll have to back-probe them through the connector. The readings have to be taken while it is still plugged in.
Wednesday, June 8th, 2011 AT 10:47 PM