DTC P005x: HO2S Heater Resistance (HO2S11, HO2S12, HO2S13, HO2S21)
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
'x' equals any number 0 through 9 or letter A through F.
P005X - HO2S HEATER RESISTANCE (HO2S11, HO2S12, HO2S13, HO2S21)
| Description: | Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit (HO2S11, HO2S12, HO2S13, HO2S21). | ||
| Possible Causes: |
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| Diagnostic Aids: | Inspect connectors for signs of damage, water ingress, corrosion, etc. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to H: Fuel Control STEP H11. | ||