'17 2.0L Buick Regal-Heated O2 Sensor

Bobcat2017

New member
Joined
Mar 4, 2020
Messages
4
Reaction score
0
Points
1
Buick Ownership
Regal
Howdy folks. Is it normal for the #1 O2 Sensor to read like this? It swings between 0.1-0.8V while the #2 remains pretty consistent at 0.7V. Tried varying tachometer reading up to 3000 RPMs but made no difference.
Screenshot_20250811_200917_ThinkDiag+.webp
 
Back
Top