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Poor Gas Mileage in 2007 Toyota Camry Hybrid?

(2007 Toyota Camry Hybrid)
in Biwabik, MN on January 30, 2012
Recently I had brought my car into the shop because I got a maintenance required soon warning up, along with the check engine light. The technician cleared the lights, then took it for a drive - the lights did not come back, and they could find not problems. But now I am getting lower gas mileage. The dashboard eco drive is between 30 - 35, where it used to be over 40. Any reasons you can think of? The technicians are saying they don't know, only 46k miles on this car.
Displaying 2 answers & 3 comments
Popular Answer
Roy is right, you should not clear codes until the fault is fixed. What was the designation of the code stored? It should start P0xxx, or P1xxx.You first read the code, read the freeze frame information that was taken when your car's computer first saw the code you can then look at live sensor data to see if anything is amiss, then even look at pending codes or Mode 6 information to get an idea of the whole picture not just erase the code and hope it doesn't come back.
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on January 31, 2012
Ok, this is update 2/9/12 - These are the codes on my receipt that they found and cleared: P0A0F, P0102, P3190
they cleared these, and they didn't pop back up, they attribute to a "glitch"

Car is in shop again to have the parts installed for steering wheel recall - they still say they cannot find anything as to why I'm now getting poor gas mileage. I have not been getting the "Eco drive excellent" in the instrument panel like I normally do, and it's saying that my mileage is around 30, whereas I was getting 40 or better. I asked if they had called for assistance on this, they said they did, any suggestions?
on January 30, 2012
first of all, clearing the codes was wrong. the code is a guide to the system that has an issue.

you need another shop that will do a proper diag and give you a reason for the poor mileage.

on January 30, 2012
so when they cleared the lights, then took it out for a test drive to see if the lights came back on, that was wrong? The lights did not come back on - the tech said that sometimes the computer system gets a "glitch"?
So, wouldn't the lights come back on if there was something wrong with the car?
on January 31, 2012
some codes do not set right away and take 3 trip failures to set. it will come back on at some time. then you need the code pulled, diaged to find the reason and repaired.
clearing the code erases all the vital info needed to trace the proble. clearing the code is the very last step in the repair procedure. a good shop would know that.

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