For Shop Owners

P1133 - HO2S Insufficient Switching Sensor 1

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

Possible causes

  • Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
  • Vacuum leak
  • Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 harness is open or shorted
  • Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 circuit poor electrical connection
What does this mean?
Check this articles: check engine code p0301 | error code p0300 | p0131 code
Posted and Edit by kvjournal.ru 04-28-2016