P0135 and P0155 Fault Codes in 2001 Chevrolet Camaro Z28 with LS1 Edit (No Catalytic Converters)

Model: 01 Z28 Fault Code: P0135 Posted: 2006-10-12 06:02

I own a 2001 Chevrolet Camaro Z28 equipped with an LS1 engine modified using LS1 Edit. This modification has disabled two of the four oxygen (O2) sensors, as no catalytic converters are installed. The affected O2 sensors remain physically connected to the exhaust system and wiring harness. I am trying to determine whether the P0135 and P0155 diagnostic trouble codes are triggered by the deactivated sensors or if they are actually related to the two remaining functional O2 sensors. Given that there are no local professionals who specialize in LS1 Edit programming, I'm seeking community insight on this issue. Any accurate explanation of how these fault codes relate to sensor configuration would be greatly appreciated.