Prius C :: Ev Mode Deactivated Excessive Speed
Jan 24, 2014
I have questions about ev mode for my Prius c. I just got the car in December and was using the ev mode frequently. It would work when I was going 25mph or lower as long as I wasn't rapidly accelerating or climbing a hill. Now it seems I barely get up to 10 mph before it clicks of saying "ev mode deactivated excessive speed". This happens when I break to come to a stop or when I slowly accelerate. I took it to where I bought it and the kid rudely told me to read my manual so I did and this isn't covered. I have lost 10 miles on my mpg and I have been doing the same commute since I got this car. Before I was getting 52.3 now I'm lucky if I get 40.
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I was under the impression that when you enable EV mode the car will stay in EV till around 40 mph or something close to it? I can't seem to go above 10 mph without getting a message stating "EV Mode disabled due to excessive speed"? Is this a glitch or can you really only go 10 mph? That seems pointless if that is the case.
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Just bought a 2010 Prius IV and loving the car.
Minor annoyance, but wondering why it's so difficult to get the car to enter or stay in EV mode.
When I'm able to get into EV mode, it often beeps that it's leaving EV mode due to excessive speed, but I'm often doing barely 10 mph when this happens. I was under the impression that I could do up to 25 mph. Yesterday, I was floating at 8 mph and it said that was excessive speed.
More often, though, I can't even get into EV mode. It says "EV mode currently unavailable" and why. Doesn't matter if I'm not moving or if I'm driving slowly.
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I've been using the EV mode - the EV portion of the curve without pushing the EV button - to run around town and to maintain speed once I've accelerated to traffic speed. It really boosts the mpg numbers and I'm able to get 55-60mpg on my 47mi. Roundtrip mostly highway commutes (hills included). Without the running in EV it's probably 42-48mpg.
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Recently I have been doing a lot of highway driving with my 2007 Prius. There is noticeably an excessive amount of wind noise at highway speed due to the gap between the front and back door.
After applying a piece of weather stripping from the hardware store, about $5 the wind noise is greatly reduced.
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I am talking about the manually activated EV mode, not stealth mode that runs up to 46 MPH.
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What's top speed for EV mode? I was able to keep it in EV when driving through town, after a hill, and keep it around 41-42 for a little while before my speed dropped and I had to use a little more throttle.
I don't understand why you can't lock in EV and deplete more of your battery at times, such as a few miles before getting on the freeway. Seems a bit wasteful, since the highway portion would give you plenty of time to build up charge again.
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I'm a longtime Prius owner starting with a 2007. Currently have a 2010 model V (not the wagon, the trim level with ATP). The maximum stealth mode speed (i.e. ICE not turning over) is about 46MPH. The maximum stealth mode speed for my old 2007 was 42MPH.
I just bought a 2012 Prius c as my commuting car. What is the maximum stealth mode speed?
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I've noticed the Prius V engine is running at very low RPM in ECO mode at steady speed of about 65km/h (40mph). Fuel consumption vary between about 4-5L/100km (58 - 47mpg) and RPM is showing about 1100+
I usually see RPM of about 1100 to 1400+ which is very good; so I'm not surprised this engine is very fuel efficient.
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I've read several posts that suggest the EV mode is mostly useless. I disagree. I've noticed that it's useful in gaining speed faster without the ICE, when taking off from a stop. Especially if I'm in traffic and I don't want to annoy drivers behind me.
I've noticed that conditions have to be met in order to do this, such as engine warmed up etc. but I find it very useful, and I am seeing improved MPG when doing this. I've had my 2013 PRius v Two for almost a month now.
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I have only been driving my Prius for a month. I have been paying close attention the to the Car energy usage screen. I have been noticing the car (while on cruise control) entering into stealth mode (Engine seemingly off and power getting drawn from battery only w/ about 3/4 bar on EV) on the highway @ 60mph going down a slight decline. I have been trying to mimic this on my own w/o the cruise control, but no matter what I try (P+G and other techniques) I cannot get the same results.
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Just curious, is the low speed electric acceleration in *hybrid mode* generally, seat of the pants, noticeably more robust than that of the 'regular', 3rd gen Prius? By low speed, I mean starting off from stop lights in normal driving.
Why do I ask? In 3rd gen Prius, electric acceleration lasts only a few seconds from a stop, maybe up to about 15 MPG roughly with light acceleration. With heavy throttle, gas engine comes on about right away.
How does the PiP behave under moderate acceleration from stop in hybrid mode? Could we say PiP accelerates on electric drive in HV about 6 MPH per second +/-x up to 25 MPH +/- x on level ground, etc....?
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I recently acquired a 2014 Sonata Limited 2.4L. Don't know if its me or not but engine noise seems to be excessive in the cabin especially when I am accelerating from a very low speed, almost like something in the engine is loose. Had it at the dealership today for warranty work (seat belt) and recall work and asked the techs to take a listen when the do their inspection. They came back and said that the noise is coming from the electric fuel pump and that it is totally normal. Previous car I had was a 2011 Honda Accord Ex and it seamed quieter.
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Is ESP completely deactivated when it is turned off, or have its thresholds just been pushed back considerably?
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So yesterday we had a bit of snow north of the city. I was driving on the highway and suddenly my cruise control deactivated and I got a message to clean the radar. Then I had PCM flash every second or so. I was really frustrated because this is a MINIMAL amount of snow and it's not even below zero. I'm hoping that this isn't an ongoing issue with these cars? Any solution besides getting out of the car and cleaning it? When I got home I saw that there was a layer of ice on the Lexus logo on the front of the car.....
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I have noticed that when driving in EV mode when the car switches over to HV mode the Eco icon always lights up! Of course you can select Eco, or Power mode manually, but when it does this automatically, after the EV battery charge is used up, it keeps showing the Eco icon being lite not HV.
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My AC always defaults to Recirculation mode the first time I use it after starting the car even though Auto mode is off.
Can I change this to default to fresh air mode?
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I took our '99 Mazda Protege in for a clutch replacement. The mileage is over 150k. The car was returned with the air bag light blinking and the cruise control and horn deactivated. All were fine beforehand. The shop eventually admitted that they could have broken the clockspring during the repair. They are going to get back to me tomorrow with a quote for the repair and they told me they are going to "work with me" on the cost. I don't understand why I should pay for anything associated with the clock spring repair. Another mechanic told me they had to secure the steering during the clutch replacement and probably forgot to do it, furthermore they should cover 100% of the repair.
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I have a concern about my 2010 Prius V(five). I've noticed some issues lately that may all tie in to one big problem.
1. My ev mode will not work at all. My battery will be fully charged and not in "B" mode. Turning car off and on will not work.
2. Engine will not turn off when coming to stops. Mind you when the battery is above 3 lines.
3. Throttle response feels like it's in PWR mode(super sensitive) but the engine is leggy. If I floor it for a sec the RPMS are super slow to come down.
4. The Eco line is quick to go in PWR portion and I'm not pushing it any harder than I was before all of this started. It seems like when I push the gas it skips the electric and automatically pulls from the engine.
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Prius start consuming excessive engine oil.
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My vehicle shows currently two awkward behaviors:
1) I can start the vehicle using the keyless start button without having to step on the brake pedal.
2) I can switch on cruise control. The green symbol appears, however, I cannot set a speed. The system simply seems to ignore that I press the set button.
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