P2626moderate severityPowertrain
O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1
on 2011 Ford Explorer 3.5L V6 · AWD
What this code means
Open circuit in the wideband O2 sensor trim circuit on bank 1.
Symptoms
- Check engine light
- Poor fuel economy
- Rough running
Common causes
- Failed wideband O2 sensor
- Wiring damage
- ECM circuit fault
Diagnostic steps
- Check sensor connector
- Measure sensor heater and signal circuits
- Inspect wiring
Repair notes
Replace wideband O2 sensor. Verify wiring.
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P0010
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P0011
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P0013
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P0014
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P0015
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