HO2S Circuit Low Variance Bank 1 Sensor 1
Table of contents
P1130 BUICK Possible Causes
- Faulty Heeated Oxygen Sensor (HO2S) Bank 1 Sensor 1
- Heeated Oxygen Sensor (HO2S) Bank 1 Sensor 1 harness is open or shorted
- Heeated Oxygen Sensor (HO2S) Bank 1 Sensor 1 circuit poor electrical connection
How do I fix code P1130 BUICK?
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 P1130 BUICK code
The cost of diagnosing the P1130 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1130 BUICK Description
The Powertrain Control Module (PCM) monitors the Heeated Oxygen Sensor (HO2S) activity for 60 seconds. During this period, the PCM counts the number of times that the HO2S switches form rich to lean, and from lean to rich.