Originally posted by Mustang:
... If that bank was lean, would the 1st sensor S1B2 also show a lower voltage?
Yes, B2S1 should show a lower voltage too if Bank 2 were lean. But your Bank 2 precat can't be that efficient that you get a 0.0 volt reading for B2S2 with a reading of 0.68 volts for B2S1.
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
| 
