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04-04-2013, 06:52 AM
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#1 | |
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AF Regular
Join Date: Aug 2004
Location: Jonesborough, Tennessee
Posts: 192
Thanks: 2
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'90 LX 5.0 Poor Mileage, Ox Sensor?
My old girl used to get over 300 miles per tank, has been for years (I've had the car since 1990 when I bought it). Over the last few months I noticed that I'm only getting about 260-280 miles per tank using the same gas and driving the same route each day (I use it mainly for going to and from work; most of which is interstate).
A buddy of mine suggested that the cause might be the Oxygen sensors. I checked tire pressure and the air filter, both are good. How can I test the Oxygen sensors? What else could I check? Thanks.
__________________
-1990 Mustang LX 5.0L 5-Speed All Stock!  except the stereo...-2005 Yamaha V-Star 1100 Custom  -2008 Toyota 4Runner Ltd 4.7L AWD  -2019 Subaru Ascent (the wife's) 
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04-05-2013, 07:36 PM
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#2 | |
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AF Newbie
 Join Date: Apr 2013
Location: PGH, Pennsylvania
Posts: 11
Thanks: 0
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Re: '90 LX 5.0 Poor Mileage, Ox Sensor?
I hate to be a downer, but I think your engine is just experiencing old age. Parts are wearing, perhaps compression isn't what it used to be. May need some Caragra(Viagra for cars)
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