High fuel consumption

Tiny
LUCKY EMEFE
  • MEMBER
  • 2010 TOYOTA RAV4
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 85,000 MILES
My vehicle listed above is consuming too much fuel. Normal average mpg is between 22/28, but my is giving me 14/16 mpg. No check engine lights are on.
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Friday, May 22nd, 2020 AT 7:51 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

Wow! That isn't good. Does the vehicle seem to be running properly other than the fuel issue? Have you noticed any black smoke from the exhaust? Take a look through this link:

https://www.2carpros.com/articles/engine-black-smoke

Is there anything you can think of that is acting differently than it did before?

Let me know.
Joe

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Friday, May 22nd, 2020 AT 7:59 PM
Tiny
LUCKY EMEFE
  • MEMBER
The car runs fine, no black smoke, there drag in the engine sometimes. I check it with OBD2 the only error mass airflow sensor permanent. I replace it with new one same error try to clear it but same. But no check engine lights.
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Saturday, May 23rd, 2020 AT 10:12 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
Can you provide the code that you found? That way I can look into it further.

Joe
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Saturday, May 23rd, 2020 AT 10:45 PM
Tiny
LUCKY EMEFE
  • MEMBER
Error code: P0102 Permanent Mass or Volume Air Flow Circuit Low Input
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Sunday, May 24th, 2020 AT 1:59 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
There are a few things that can cause this. I have the diagnostic flow chart which requires a specific type of scan tool. If you look at the attached pic, it shows possible causes. If you want, I can provide the directions. However, I don't want to overwhelm you if you are not comfortable. LOL It's extensive.

Let me know if you want me to send them to you.

Joe
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Sunday, May 24th, 2020 AT 6:36 PM

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