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Averill Park, NY
We found that the Protege threw a code only when the car was put into gear. My mechanic installed an addtional ground on the center wire of the connecter which solved the previous problem. I had checked for ground at this wire and found it have continuity but that was with the engine static. Seems the problem would occur when the car was put in gear and the pedal pushed some. Perhaps the torque movement from the motor caused the problem. Getting the car back tomorrow. Any input would be helpful and quite frankley, educating at this point. Thanks for all the previous insight, it does help. Chris
Status to date: The original TPS was bad. Voltage was way off normal. I had put a NAPA replacement in but that unit was asssembled wrong. At Idle it was reading the voltage you would have going down the highway. The new factory unit "had" correct voltage and when first installed, acted fine. I stop to pick-up the car and the light goes on again along with blinking Over Drv indicator.We test drive the car but the voltage now begins to fluxuate on the new TPS. I left the car there as the mechanic wants to think whats occuring thru.
After going thru the diagnostics I got from this site,(as far as I could) I took the car to a garage that has a breakout box.(Needed to test the TPS) The new replacement I bought from NAPA was reporting the wrong voltage at idle. The theory is, its not the correct application. A Mazda Factoy one has been ordered. We'll see what evolves. Any comments greatly appreciated. Thought it was worth posting for others to digest. Chris