For Shop Owners

P0173 - Fuel Trim Malfunction Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Intake air leaks
  • Faulty front heated oxygen sensor
  • Ignition misfiring
  • Faulty fuel injectors
  • Exhaust gas leaks
  • Incorrect fuel pressure
  • Lack of fuel
  • Faulty Mass Air Flow (MAF) sensor
  • Incorrect Positive Crankcase Ventilation (PCV) hose connection
What does this mean?
OBDII Code P0173 - Fuel Trim Malfunction Bank 2 - kvjournal.ru

P0173 Information for specific makes

P0173 BMW Fuel Trim Malfunction Bank 2
P0173 CHRYSLER Fuel System 2/1 Rich Control Over Limit
P0173 DODGE Fuel System 2/1 Rich Control Over Limit
P0173 HYUNDAI Fuel Trim Bank 2
P0173 JEEP Fuel System 2/1 Rich Control Over Limit
P0173 KIA Fuel Trim Bank 2
P0173 MAZDA Bank 2 Adaptive Fuel Table At Calibrated Limit
P0173 MERCEDES-BENZ Fuel Trim Malfunction Bank 2
P0173 MITSUBISHI Fuel Trim Malfunction Bank 2

Need more help?

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Posted and Edit by kvjournal.ru 06-14-2015