For Shop Owners

P0133 - O2 Sensor Circuit Slow Response Bank 1 Sensor 1

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3 What does this mean?

Possible causes

  • Faulty Front Heated Oxygen Sensor Bank 1
  • Front Heated Oxygen Sensor Bank 1 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks may be faulty
  • Exhaust gas leaks
What does this mean?

Tech notes

Replacing the Front Heated Oxygen Sensor Bank 1 usually takes care of the problem
What does this mean?
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Posted and Edit by kvjournal.ru 06-14-2015