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Just to add to this as it might be helpful... I changed the spark plugs on my Gen 2 Prius 6 months ago. After getting the new plugs I too had...
Your Prius appears to be functioning completely normally. It is doing exactly what it's supposed to be doing without cruise control on. The low...
My next guess then would be it sounds almost like B mode is kicking on without you actually having it on. .
It could be the spark plugs, But the computer also may have to relearn the best air fuel ratio mixture to create the most efficient burn for...
There are a multitude of factors that could cause you not to be gaining speed down the mountains this time around besides regenerative braking. •...
I don't understand then. It's completely normal for low grade regenerative braking to occur when you let off the gas pedal. This is partially...
Check your tire pressure. This could be the cause of you not being able to roll as easy. Higher tire pressure = less rolling resistance. Posted...
There is a possible explanation for your low mpg's and nothing may be wrong. I have been working on a comprehensive post about a low mpg...
When you start the vehicle, have you been running the AC right away? The Air conditioner compressor will drain the battery quickly. It creates...
The prius generally has much more responsive steering than a traditional hydraulic steering vehicle. It uses electric power steering. What...
I wouldn't replace the headlights if I were you, just polish them. The new headlights will yellow fairly quickly. With a drill polish pad and...
First are you sure there aren't 5 lug nuts? I thought each Prius wheel came with 5 lug nuts unless you mean something different by "3/4 lug nuts"....
Any error codes? Are you pushing your foot on the Brake when pushing the power button? Otherwise it will cycle through Ignition On mode and...
My guess would be the dust shield got bent during the tire change. the dust shield resides behind the rotor and can be bent accidentally. It will...
The starter motor (MG1) for the engine is powered by the HV Battery, not the 12v. Your whole premise of the 12v turning the starter motor makes...
There is a fuse in the fusebox down by the emergency/parking brake labeled "GAUGE" that powers the combination meter. [ATTACH] Pulling this and...
Have you ever had any dealership ECU calibrations done? .
What about in terms of MPG? Do you notice loss of EV power for a sustained period? What is your average MPG and commute normally? Posted via...
Wanted to comment that I experience a similar loss in MPG everytime after a 12v battery disconnect on my Gen 2 Prius until the ECU's relearn. The...
I know this is a dead thread but just wanted to post a phenomenon I experience that could explain your MPG loss. It has to do with the 12v...
