My gas gauge is lowering, poor mileage?

2012 FORD EDGE
98,000 MILES • 6 CYL • 2WD • AUTOMATIC
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KELLY KIBLER
My gas gauge is lowering very quickly after I get gas. It went from 99 miles to 82 miles and I actually only drove about 2 miles.
Sep 23, 2022 at 8:47 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,494 POSTS
  • ASE Certified Mechanic
The #1 reason for this to happen is a bad MAF (mass air flow) sensor, I would purchase a new unit (Motorcraft) and install it. Also, check the air filter as well and replace it. Here is a guide to help you with the repair and instructions in the images below to help you with your particular car:

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

Don't try to clean the sensor because once it gets to this point cleaning will not help. You should also check the air in the tires.

https://www.2carpros.com/articles/how-to-use-a-tire-pressure-gauge

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.

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Sep 23, 2022 at 11:25 AM
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Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.