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Lexus
RX 300
Engine
Symptoms
Poor Mileage
Low miles per gallon
2003 LEXUS RX 300
145 MILES • 3.0L • V6 • 2WD • AUTOMATIC
INNOMS
MEMBER
1 POST
Very low mpg, only getting thirteen mpg.
May 29, 2018 at 11:49 PM
STRAILER
✓
Experienced Mechanic
55,464 POSTS
Hello,
That is low, First check the air pressure in the tires next I would replace the MAF sensor which becomes contaminated causing false reading effecting the performance and the mileage. Here is a guide that should help.
https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf
Here is how it is done for your car (below). Please run this test and get back to us.
Cheers, Ken
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May 31, 2018 at 4:16 AM
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