2012 Chevrolet Camaro LS, Standard TransFACTORY OEM SERVICE PROCEDURE

Front of the Exhaust System Components

Front of the Exhaust System Components

Component Name Callout
B52F Heated Oxygen Sensor Bank 2 Sensor 2 (LLT) B52D Heated Oxygen Sensor Bank 1 Sensor 2 (L99/LS3, LSA) 1
B52E Heated Oxygen Sensor Bank 2 Sensor 1 (LLT) B52C Heated Oxygen Sensor Bank 1 Sensor 1 (L99/LS3, LSA) 2
B52C Heated Oxygen Sensor Bank 1 Sensor 1 (LLT) B52E Heated Oxygen Sensor Bank 2 Sensor 1 (L99/LS3, LSA) 3
B52D Heated Oxygen Sensor Bank 1 Sensor 2 (LLT) B52F Heated Oxygen Sensor Bank 2 Sensor 2 (L99/LS3, LSA) 4
Fig 1: Front of the Exhaust System Components
GM2292229Courtesy of GENERAL MOTORS COMPANY
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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