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P0300–P0399 fault codes
22 codes in this range have a plain-English write-up, checked by a person.
P0300P0300: the engine is misfiring on more than one cylinderP0301P0301: cylinder 1 is misfiringP0302P0302: cylinder 2 is misfiringP0303P0303: cylinder 3 is misfiringP0304P0304: cylinder 4 is misfiringP0305P0305: cylinder 5 is misfiringP0306P0306: cylinder 6 is misfiringP0309P0309: cylinder 9 is misfiringP0325P0325: the knock sensor circuit has a faultP0326P0326: the knock sensor reading doesn't add upP0327P0327: the knock sensor signal is reading too lowP0328P0328: the knock sensor signal is reading too highP0335P0335: the crankshaft position sensor circuit has a faultP0336P0336: the crankshaft position sensor reading doesn't add upP0337P0337: the crankshaft position sensor signal is reading too lowP0338P0338: the crankshaft position sensor signal is reading too highP0340P0340: the camshaft position sensor circuit has a faultP0341P0341: the camshaft position sensor reading doesn't add upP0342P0342: the camshaft position sensor signal is reading too lowP0343P0343: the camshaft position sensor signal is reading too highP0345P0345: bank 2's camshaft position sensor circuit has a faultP0350P0350: an ignition coil circuit has a fault