Changed O2 sensors now milage down

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Dec 14, 2012 | 07:57 PM

#31

jethat

Senior Member

Joined: Jun 2007

Posts: 5,522

Likes: 6

From: Utah

could just be winter fuel mix. More ethanol. I lose about 2 mpg every winter.

Dec 15, 2012 | 06:35 PM

#32

jbrew

Technical Article Contributor

Joined: Oct 2005

Posts: 25,641

Likes: 19

From: MI

Quote:

Originally Posted by ONELOWF

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

Gald to see that graph is still around. Very good info for those running LT's. Justin should update it tho, -since Ford did indeed use Bosch sensors and they are OEM.