hey, car: golf gti 8v 97 my car dont fire and sometimes it does. i change nearly everything. faults appeared are as follows: 00515 - Casnshaft Position (hall) Sensor (G40) signal outside specifications - intermittent. i thougth the sensor is in the distributor itself, but i changed it and a coil yesterday witha brand new boshce one. what could be the problem.?