P0053 - Ho2S Heater Resistance (Bank 1, Sensor 1)
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0053 - HO2S HEATER RESISTANCE (BANK 1, SENSOR 1)
| Description: | Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit. | |||
| Possible Causes: |
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| Diagnostic Aids: | Inspect the connectors for signs of damage, water ingress, or corrosion. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST DW . | |||