Toyota Prius Forum banner

1 - 2 of 2 Posts

·
Registered
Joined
·
1 Posts
Discussion Starter #1
Hey Everyone!

I've been having an issue for months with my 2007 Prius. I took it in for an inspection, and while there i was told the brakes and rotors needed replaced, and of course the tires were worn down at 60K, so i replaced them as well with Goodyear Assurance Fuelmax tires, and have them inflated to the max side pressure of 52 psi. Brakes are Toyota Genuine pads and rotors. It had Goodyear Assurance tires on it when i replaced them with the same thing.

After recieving the car back, it has seemed to lost it's power.. if that makes sense. Seems as if the gas pedal is touchier, engine runs longer, and doesn't seem to roll near as well down hills and regenerate like it used to! I used to bang out some excellent fuel economy up near 60MPG over the spring and summer months. Now the poor thing seems to average about 40 mpg. Winter was just awful with the thing. And of course with all of this it seems to have no power on inclines on the highway or going up mountainsides like it used to.

Just not sure what else i'm not thinking of, i've had it back to the deal multiple times, and they just keep saying it's operating as normal.

I've also kind of did my own test on the HV battery, just sitting in a parking lot with the car in park, engine off and watching the bars go down on the monitor. I believe it had 7 bars and it was green, and sitting there for almost 20 min with nothing on but the power button and in park, the bars went from 7 to about 4 and then to 3 just above the purple level in that time period.

Not sure what else i am not thinking of, it's been stressing me!

Thanks for any help!!! :)
 

·
Registered
Joined
·
97 Posts
That is a good way to see if your 12Volt battery is having a problem. If the rate of drain on the Traction battery does not slow down after a while then have the 12Volt battery checked. Having a low 12Volt battery can lead to strange behavior when starting the car.

Also check for any brake drag on any of the wheels. After driving for a few minutes you might stop and see if any of the brakes seem hot. Be careful NOT to BURN yourself. If you have an IR Temperature gauge point the laser at the brake drums and rotors. If you have disk brakes on all wheels, check the center of rear wheels where the parking brakes are located.
 
1 - 2 of 2 Posts
Top