is it the O2 sensor
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Junior User
Joined: Sep 2005
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is it the O2 sensor
Mileage is a big deal right now,so I have been checking mine every fill-up.Something a bit unusual showed up.I had put on about 245 miles pulling a Boler camper and got 15.6mpg.Then this last week I had a job in town (6 miles from home on the hiway) and got about 14.2mpg.My explanation is that the O2 sensor is going bad. Am I going in the right direction? Should I be changing the O2 sensor?
Senior User
Joined: Jun 2003
Posts: 152
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From: Atlanta Georgia
Was the 15.6 mostly highway?
Was the 14.2 about even highway/city?
If so then it just sounds like a diferance in driving styles.
But just for kicks check and see if you have any codes
http://fordfuelinjection.com/?p=13
Was the 14.2 about even highway/city?
If so then it just sounds like a diferance in driving styles.
But just for kicks check and see if you have any codes
http://fordfuelinjection.com/?p=13
Thread Starter
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Junior User
Joined: Sep 2005
Posts: 95
Likes: 0
To add more info the truck is a 95 5.8 automatic.Towing the trailer with the cruz set at 60 mph and running around I use ths thin shelled raw egg under the right foot method.I question the O2 sensor based on the amount of time the truck was running in each situation.Haven't pulled the codes yet.Would a bad O2 s sensor cause high fuel consumtion in cold weather(-20F and colder, I live in Canada)?
Last edited by 460srule; Sep 18, 2005 at 01:06 PM.
