This DIY guide is good for MANY GM 3.8L and 3.1L V6 motors from the late 90s to the early 00’s. These cars were TANKS, and they are still running to this day for good reason. Happy wrenching!
Front Delphi Oxygen sensor ES20001 for 1999 Buick Regal. This fits other GM vehicles as well. Check the vehicle compatibility on the website to make sure:
https://araparts.com/delphi/oxygen-sensor/delphi-oxygen-sensor-p-n-es20001/
Rear Delphi Oxygen sensor ES20002 for 1999 Buick Regal. This fits other GM vehicles as well. Check the vehicle compatibility on the website to make sure:
https://araparts.com/delphi/oxygen-sensor/delphi-oxygen-sensor-p-n-es20002/
htttps://Araparts.com
 Buick Regal 3.8 P0133 P1133 & P0171')){kind=link}
Comments
Comments are disabled for this post.