2.0 4 cylinder aeg engine
A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why
Read more at: http://www.obd-codes.com/p0300
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causes,most likely coil packs
Faulty spark plugs or wires Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector(s) Burned exhaust valve Faulty catalytic converter(s) Stuck/blocked/leaking EGR valve / passages Faulty camshaft position sensor Defective computer
Read more at: http://www.obd-codes.com/p0300
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These codes other than the p0300's pertain to VW or BMW. They indicate a problem with the throttle actuator assembly. You can try and have it cleaned and see if the problem goes away or you may have to replace the actuator unit
Codes p0300 random misfire, p0302-0304 misfire cylinder 2-4. P0133 o2 circuit slow response bank 1 sensor 1. P1176, P1300, P1580, P1543, B0423 r make specific which you didn't say this would cause the problems you are having.
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