Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the HO2S 1 Transition Time Ratio is less than 0.375 or more than 2.375.
- DTC P1134 sets within 60 seconds when the above condition is met.