My gas mileage dropped drastically, I’m wondering if the mass airflow sensor isn’t working properly? Would it throw a code if it’s not working correctly? I have no codes, so I’m wondering if it would be the sensor or not. I have cleaned the sensor with the MAF cleaner. Cleaning the sensor didn’t seem to help. I have new spark plugs, new fuel filter, new air filter. I’m running out of ideas.
How long has your 2007 Ford F-150 had this problem?
Couple of weeks, really noticed it since the new spark plugs were put in
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