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What are these shortcuts mean? MIS, FUEL, CCM, CAT, HCAT, EVAP,AIR,O2S,HTR, and EGR

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What are these shortcuts mean? MIS, FUEL, CCM, CAT, HCAT, EVAP,AIR,O2S,HTR, and EGR

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Best answer
  • MIS = ??  Misfire?
  • FUEL = ?? Fuel as Gasoline or Diesel
  • CCM = Comprehensive Component Monitor.
  • CAT = Catalyst or Catalytic Converter
  • EVAP = Evaporative Emission Control
  • AIR = Secondary Air Injection
  • O2S = Oxygen Sensor
  • HTR = Heater (Usually combine with Oxygen Sensor as HTR O2S)
  • EGR = Exhaust Gas Recirculation

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