GOOD MORNING TO ALL. THIS IS MY FIRST POST. I HAVE A 95 AND A 96 FORD CONTOUR IN MY SHOP. BOTH CAME IN W/ DIFFERENT PROBLEMS BUT WE SAW SOMETHING ON BOTH CARS THAT WE HAVEN'T SEEN BEFORE. THE OXYGEN SENSOR SIGNAL WIRE HAS OVER 400MV OF HASH W/ KOEO. I CALLED A... Login to read more.