Monitor Strategy
WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR STRATEGY TABLE
| Related DTCs | P0171 | Fuel system lean (bank 1) |
| P0172 | Fuel system rich (bank 1) | |
| Required sensors/components | Main sensors | Heated oxygen sensor |
| Related sensors | Engine coolant temperature sensor, mass air flow sensor, crankshaft position sensor | |
| Continuous | Frequency of operation | |
| Duration | 10 seconds | |
| MIL operation | 2 driving cycles | |
| Sequence of operation | None | |