CEL LIGHT CAME ON, CODE READ 02 SENSOR WHICH WAS REPLACED AND CEL LIGHT OFF NOW. TRANSMISSION JERKING HARD INTO REVERSE AND DRIVE AND HANGS UP BETWEEN GEARS, SUDDENLY LUNGING FORWARD. IN STOP AND START OR DOWNTOWN TRAFFIC, WITH LIGHTS EVERY BLOCK, IT WILL SOMETIMES LUNGE FORWARD AS I SLOW DOWN TO STOP, IDLES ROUGH, AND THEN HAS DIED. IT HAS TWICE SPUTTERED AND TRIED TO STALL TRYING TO CROSS BUSY INTERSECTION. THIS VEHICLE IS NOT SAFE!!!! AND SHOULD NOT HAVE TO REPLACE TRANSMISSION AT RIDICULOUS COST THAT APPARENTLY DOES NOT FIX PROBLEM AS INDICATED BY ALL FORD FORUMS. *TR