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P0171 CHEVROLET

P0171 CHEVROLET - Fuel Trim System Lean Bank 1

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 P0171 Chevrolet - Fuel Trim System Lean Bank 1 - kvjournal.ru

P0171 CHEVROLET Information for specific Chevrolet models

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Posted and Edit by kvjournal.ru 01-14-2016