p1151
Moderate
Lincoln · Sedans
Heated Oxygen Sensor (HO2S) Insufficient Switching (Bank 2 Sensor 1)
Quick Answer
Error code P1151 on your Lincoln Sedans means: Heated Oxygen Sensor (HO2S) Insufficient Switching (Bank 2 Sensor 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Locate Bank 2 Sensor 1 oxygen sensor
2
Inspect connector for corrosion
3
Test sensor heater and signal circuit
4
Replace oxygen sensor
5
Clear code and verify repair
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Oxygen sensor Bank 2
Sensor connector
Wire repair kit
Anti-seize compound
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