P0300 Volkswagen -

Question

I have 2009 vw passat with the following codes:
P0300, P0304, P0303, P0302, P0301, P2294, Po327,

Answer 1

P2294 Fuel pressure regulator control circuit

P0327 Knock sensor circuit low input

The rest of the codes are misfire condition, when there is a fuel lean condition the knock sensor usually is expected to code also do to the lean noise condition . If the control sensor for the fuel pressre is faulty this tends to result is random misfire condition or if the high repressure pump is faulty it tends to be noisy. Faulty pressure regulator will cause misfire or a faulty pressure regulator sensor on a good fuel pressure regulator will cause the misfire,