Antwoord op "Timing belt on my 2002 Volkswagen Jetta"Sensor bad but first follow the wires back to ecm. Run your nails across the wire to check for breaks in wire. The problem is you can check with a meter and it will say you have continuity but if just one strand in the wire will say this . so if the rest are torn you will still get a code. It's tedious but this will tell you if you got a bad wire. Those geniuses stretch these wires and tend to tear after time. They stretch them so the readings are closer instead of having a wire to long for readings. I went through all of mine and I found 12 wires barely making connection. Good luck be patient ,you Will probably be cussing your brains out though.