P1129 LINCOLN - Downstream Oxygen Sensors Swapped from Bank to Bank
P1129 LINCOLN Possible Causes
Crossed HO2S harness connectors (downstream)
Crossed HO2S wiring at the harness connectors (downstream)
Crossed HO2S wiring at the 104-pin harness connectors (downstream)
How do I fix code P1129 LINCOLNCheck the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1129 LINCOLN code
Labor: 1.0The cost of diagnosing the P1129 LINCOLN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P1129 Lincoln DescriptionThe heated oxygen sensor (HO2S) monitor determines if the HO2S signal response for a fuel shift corresponds to the correct engine bank. The test fails when a response from the HO2S being tested is not indicated.
P1129 LINCOLN More InformationNeed more information on how to fix the P1129 LINCOLN code?
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