P1158 BUICK Possible Causes
- Faulty O2 sensor heater, bank 2 sensor 2
- O2 sensor heater bank 2 sensor 2 harness is open or shorted
- O2 sensor heater circuit, bank 2, sensor 2 circuit poor electrical connection
How to Fix Code P1158 BUICK?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1158 BUICK Meaning
HO2S Bank 2 Sensor 2 Rich or High Voltage is the generic description for Buick code P1158, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about OBDII code P1158 Buick.