How can I know if the engine computer is faulty? Or the throttle body? Car keeps powering down with no warning at idle and at 55mph. I changed coil packs, ignition module, fuel pump, fuel filter, spark plugs, wires, crank position sensor, map sensor, temp control sensor. Nothing seemed to fix the problem. The fuel pressure is at 63 for pressure I had it checked. The car runs great but after driving for an hour it shuts down with no warning. It starts back up in about 20 min later and drives fine again. Can you help me please. Can it be the throttle body or possible a faulty computer not sending the signal?
Friday, January 13th, 2012 AT 2:04 AM