Changed O2 sensors now milage down
#32
I replace my front O2's with Motorcraft every 35k or so with forced induction. I would replace then every 50k without FI, they do at least 95% of the fueling work for the average driver.
http://www.vmptuning.com/forum/showt...ighlight=bosch
http://www.vmptuning.com/forum/showt...ighlight=bosch