DTCS P0301-P0304 - Cylinders No. 1-4 Misfire Detected: Condition

Two conditions can cause code to set. These are:

• During any particular 200 revolutions of engine, misfiring is detected which can cause catalytic converter overheating and/or damage.
• During any particular 1000 revolutions of engine, misfiring is detected which can cause a deterioration in emission levels.

For possible causes, see DTC P0300 - RANDOM MISFIRE DETECTED circuit test.