Hi need help, my zafira 2012 1.7 diesel manual, picked up a fault my car was taking time to start and on starting white smoke comes out, and the car cuts out , on diagnostics at the garage crankshaft position sensor error , we changed the sensor , the cutting off stopped but the starting still an issue, the code still came up, we changethe sensor again , the starting improved , on starting the car and spanner light is off once I drive it comes back on again and its cutting off but not as much as first time .please note I used old sensors fromanother car with engine running perfectly .
Can you plz advise me . Thanks mazen