1993 Mazda b2600 Poor mpg

1993 MAZDA B2600
217,000 MILES • 2.6L • 4 CYL • 2WD • MANUAL
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TURNERCALEB123
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My little truck is getting 10 mpg would the o2 sensor be bad?
Aug 20, 2015 at 5:02 PM
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WRENCHTECH
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  • 20,761 POSTS
The sensitivity of 0/2 sensors deteriorate over time so it can effect fuel mileage. The only way to really know if this is the case would be to replace them.
Aug 21, 2015 at 5:16 AM