Typical Scan Tool Data
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0131, P0132 or P0134
| HO2S Sensor Voltage Circuits |
Normal Range |
Short to Ground |
Open |
Short to Voltage |
| HO2S High Signal |
50-850 mV |
0-45 mV |
Approximately 412 mV |
Approximately 1106 mV |
| HO2S Low Signal |
50-850 mV |
50-850 mV |
400-600 mV |
50-850 mV |