Diagnostic Procedures

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC P0134 & P0154: HO2S Bank 1 & 2 Sensor 1 - Insufficient Activity (Steps 1-8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P0134 & P0154: HO2S Bank 1 & 2 Sensor 1 - Insufficient Activity (Steps 9-15)

Courtesy of GENERAL MOTORS CORP.