Does a 3.8l also have 4 O2 sensors, i was told that bad ones hurts fuel economy , maybe that's why i only avg. 300 kms a tank :icon_cry:Originally posted by silvapain@Aug 5 2004, 05:31 PM
EDIT: I totally forgot to actually answer your question. Yes, they will definately hurt your fuel economy if they are bad.
And for reference, there are four HO2S sensors in all.