A misfire is when one or more of the cylinders in your car is not working or providing power.


This condition can cause damage to the catalytic converter as raw fuel is going to the catalytic converter.

Engine misfire is a severe condition that requires immediate attention to avoid expensive repairs or even a car fire. 

Common Causes

  • Bad spark plug
  • Defective ignition coil
  • Blow Head Gasket
  • Fuel System Issue
  • Engine Control Module Issue
  • Clogget Cataltyic Converter
  • Bad mass air flow sensor (MAF Sensor)

There could be other problems that cause engine missfire. 

A fault code will be stored in the engine control module. Use an OBD2 scanner, plug it under the dashbaord and read the fault codes. 

obd2 port

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