P1143 BUICK - HO2S Bank 1 Sensor 3 Lean Or Low Voltage
P1143 BUICK Possible Causes
- Faulty Oxygen Sensor Bank 1
- Oxygen Sensor Bank 1 harness is open or shorted
- Oxygen Sensor Bank 1 circuit poor electrical connection
First diagnose P1143 BUICK code
Check 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 P1143 BUICK code
Labor: 1.0The cost of diagnosing the P1143 BUICK 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.
P1143 BUICK Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1143 Buick DescriptionHO2S Bank 1 Sensor 3 Lean Or Low Voltage is the generic description for the P1143 Buick code, but the manufacturer may have a different description. Currently we have no further information abouth the P1143 Buick OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
P1143 BUICK More InformationNeed more information on how to fix the P1143 BUICK code?
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