P0170 Code – Fuel Trim Malfunction Bank 1

Code P0170 Possible Causes
Incorrect Positive Crankcase Ventilation PCV hose connection
Intake air leaks
Lack of fuel
Dirty or Faulty Mass Air Flow MAF Sensor
Exhaust Gas Leaks
Faulty Front Heated Oxygen Sensor
Faulty or Leaking Fuel Injectors
Fuel Contamination
Ignition Misfiring

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