Engine Crankshaft Position Sensors measure crankshaft location to detect misfire and control engine timing. If you have a engine check light P0335 and your car isnt running right, it may be time to replace your faulty Crankshaft Position Sensor. Fit 98-06 Audi A4 2.8L, 3.0L/98-04 Audi A6 2.8L, 2.7L/01-05 Audi Allroad 2.7L/2002 Audi Rs4/00-02 Audi S4 2.7L/99-02 Audi TT 1.8L/98-01 VW Beetle 1.8 2.0/99-01 VW Golf 1.8 2.0/99-01 VW Jetta 1.8 2.0/98-05 VW Passat 2.8L