1998 jetta im working on my friends car, it has power when you turn the key. but it will not turn over. i thought it would of been the clutch switch, then i put my obd2 comp on and it told me it was the 02 circut, no activity dectected ( bank one, sensor 1) P0134, but when you pop it she starts right up so im guessing it is one of the relays but i dont have a digram for them....all of them have numbers on, if any one can help get back at me please, thanks