Prius (2010-12) :: Odd Noise While Revving In Neutral Gear
Apr 23, 2013
Today while driving, I was declining down a rather steep grade. I had my cruise control set at 65mph. As I was driving, I heard an odd noise, almost like my Prius was "revving" in a neutral gear. The battery was at a full or near full charge when this happened.
I found somewhere "What you're hearing is the engine braking - just what you'd expect when using B. The engine spins (pumps air) to slow down. At some point, if you have heavily charged your battery on the descent, the engine will be spun by the electric motor just to bleed off that excess electricity."
Only problem being, I was not in the "B" gear, I was in "D".
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I have an 06 sonata 4 cyl automatic.Today the transmission was slipping in first gear like the car was revving in neutral.Then after restarting the car it was completely normal. Code P0731 showed up.
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i own a 2010 corolla s with only 3000 miles on it. it is a 5 speed and the other day, when revving out 3rd gear to 5500 rpm, my motor started missing, and my check engine, vsc, and trac control lights came on. i turned off the motor and then started it back up and it ran fine but the dummy lights stayed on. i took it to the dealer and they check the codes and it showed that cylinder 2 missed. after explaining to them how it happened and taking a service technician for a ride, they took off the valve cover on my motor, and seen that 3 rocker arms had FALLEN OFF and they tried making me pay $700 to fix it because i was "over revving the motor". I was told that the rocker arms cant withstand that high of rpms and they will fall off due to the floating design "not bolted". but after 2 hours of arguing, they said they would cover it, but only this 1 time. I don't understand why they have the rev limiter set at 6,300 on these cars, when the rocker arms are capable of coming off at 5,500.
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I've been dealing with this for over a year. 97 s-10 (4.3, 4wd, 5spd) always wants to keep revving. When I put it in neutral and coast, the rpms rise. When in gear, it powers itself down the road even when I'm off the gas. The part that really gets me, is that it will keep revving in neutral until the vehicle comes to a COMPLETE STOP. Then, it drops to a nice idle within 2-3 seconds. I don't understand what the momentum of the vehicle has to with the revving of the engine when its in neutral.? I replaced the IAC valve (and set the pintle) and tried to clean up everything I could. It seemed to be better for only a little while. Faulty new part? Is the IAC getting "gummed up" quickly because of something else?
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Just got my 2013 Elantra Limited last weekend. It appears the car is having some issues with the transmission shifter. I am not sure if its tranny related, but I highly suspect it is. Dealer gave me the usual bs not being able to duplicate the symptoms.
1. Intermittently, gear selector would get stuck in neutral, when I try to put the car into P, after a long or a short drive.
2. I would have to wiggle the shifter to get into P, or I would have to shift to D, and then I am able to shift back into P.
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Driving car auto slips into neutral, car keeps revving until stopped lever put in neutral then into gear drive off again. Thats mothers version of what happens. This happens once a week for last six..
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I just brought my gti in for the 20K oil change etc... I have noticed something weird... when I accelerate hard or have been driving for a while, and then shift into neutral or push in the clutch, the engine revs up to almost 2K, then back down to 1K once or twice, then finally settles to 700rpm's. It doesn't do it cold, or when I have the AC running.
I have no CEL's, and the dealer just said they ran a fault check, and it was clear. I do have an APR exhaust and a K&N intake (I think stage1 tune)... I asked about the PCV valve, and they said that would throw a code... They said they could do additional diagnostics out of warranty, since they think it has to be part of my aftermarket stuff.
I don't know if it's related, but if I really jump on it, in 5th gear or so, I can hear the car losing a little rpm's then around 4K just for a second, then it's goes back to normal... This only happened once or twice, so maybe it was just in my head...
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2002 Elantra engine is revving up to 3000 rpms when in neutral or park. I changed the Throttle Position sensor and it went right back to revving up. Code read P0121. What might be causing this? Seems like I get one thing fixed and then another code shows up..
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finding out what is wrong with my Taurus. I have searched all over the internet not finding any posts about a similar problem. When driving after I turn past a certain point only to the left not to the right. The car slips into neutral revving, then once Ive straitened out somewhere along the wheel turning radius it re-engages in gear and lurches forward. The car drives fine and shifts smoothly except this.
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I just brought my 2011 Prius to the dealership today after the check engine light came on. Last night, the car was intermittently revving at a high level, but otherwise the car as running fine. The service technician was saying it was the VSV valve that was intermittently sticking. I was told that there was a software update on this valve that might take care of the problem; I asked about the lifespan for the valve, but he had no information about that. I told him to just do the software update, but now I'm wondering if I should also replace the valve.
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I have an Elantra 2012 sedan GL and last year i tried installing HID's. It worked for a whole but then it stopped after. I learned that it wasn't getting enough power so then yesterday I bought a wiring kit to be able to wire my HID to tap to the battery to get more power. Everything was fine till I got to work but when I had to leave work., there was an issue. Whenever i switch the gear from park to drive or reverse or neutral. My car seems to jerk. And when I'm driving and it changes gears, it also jerks. Kind of the same thing how if your driving a manual car and you change gears wrong. This happens when my lights are off. But when i turn them on it then stops. And when i turn it back of it doesn't do it anymore.
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I wonder what's the difference between Stealth (no arrow on display at all) and Neutral Gear? The reason I ask is, Neutral Gear is much easier to maintain than Stealth.
Also, when I break moderately hard, it seems like the CVT gear is put to low, so for every yard I travel, more rotation on charging motor. Since Toyota did a great job on transition between regeneration and brake pads, I can't tell when brake pads start to work. Any indications?
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2008 prius won't stay in gear, goes to neutral when hot...
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I read a couple posts on Gear Shift switching back to neutral. Here is my situation. Got in the car to return some movies and realized I left them on the table. Went back to the house, and right before I turned into the driveway, noticed a metal coffee cup had come out of the holder and the edge was up under the accelerator. I had been applying my brakes to slow for the turn into the driveway, then when I went to accelerate, nothing, then noticed the cup.
Removed the cup and stepped on the gas to go into the driveway. Nothing. Turned the car off, then back on and tried to put into drive, goes a tiny bit then slips back into neutral. Tried it in reverse, same thing, pops back into neutral.
I can hold the shift lever in position and the car moves. It's in the driveway now and will get towed to the Toyota dealer tomorrow. Obviously a problem with the shifter as a result of the "coffee cup" under the edge of the accelerator. And yes, I know it's dangerous, hubby used the car last on his visit home this weekend and apparently the coffee cup either got put down on the floorboard or was knocked out. I bring it in the home when I'm done.....anyway.
So, the most likely cause was the spring talked about in other posts breaking, or a switch sticking or what. Seems like something got knocked or shifted out of adjustment. Does the accelerator have some type of cut off switch if something gets lodged under it?
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After stepping over gas pedal revving up, when I release the gas pedal I can hear the engine revving up some more instead of slowing down.
When I release the pedal, the engine is still making the noise as if I am stepping on the gas harder for about 3 seconds. when this happened, EV mode will be always not available, and gasoline consumption is increased. Getting lower MPG.
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I bought a CPO 2010 Camry LE (2.5 4 cyl, 6 sp auto) a few months ago. The car had around 34K miles when I got it, and ever since then, it has had a high pitched whining noise when accelerating or revving the engine in park. It is noticeable from around 2500RPM up, and seems to be a little louder when the engine is cold.
I have left it at the dealer twice, and both times they have come back and said it is normal. I can't believe this, because I have owned many cars over the years, most of them being fairly dilapidated, yet most of them haven't had a noise like this. I think I have read a comment online somewhere that an issue like this was found due to a bad power steering pump .
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I had the weirdest noise in my prius this morning when I started it. This was the first really cold morning so far ( 24) and Ive had the car a few months now, new to me 2010. When I started it, it went clunk clunk clunk like something was spinning in the gear box and hitting something as it came around, possibly from generator box too. Car was in park when this happend and during the initial startup. Then it quickly got less and went away within about 20 secs. This wasn't some light sound either, pretty loud and If I would have got under the hood fast enough I could have tracked it down maybe. Also on a side note the previous day I got a weird yellow light on for no reason under heavy acceleration. It was the yellow light with 4 tires in it showing sliding. Anyway it was on for about a min then went out. Dry road no sliding of any kind. I continued to drive the car 140 miles today without an issue.
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When temperature surpasses 90 degrees inside car (especially while sitting parked while I'm at work) I have problems getting shifter to stay in gear. When I shift in D or R the shifter immediately shifts back to neutral. I found I can hold the shifter in the desired direction and the car goes like normal.
I tried a test of leaving windows slightly open and found the car cooler inside and the gear shift problems did not occur.
The dealership says the gear shift is electronic, no gears. Is there a switch for this under the panel by the gear shift? I have a 2008 Prius, that I recently purchased used. My wife has a 2005 Prius that we purchased new and have never had an issue like this.
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I've had my 2012 PriusC for about a year now and I'm loving it. As of a week ago the car has started doing this revving thing. I notice that the engine seems louder when I'm accelerating and it seems like I'm getting 30-40mpg instead of the usual 40-50 in cities (but it might just be me).
What worries me is that when I'm driving and I push on the pedal to accelerate, after I release the pedal there is a very loud whirring sound of the engine. It sounds like a MuscleCar or Racecar that is revving it's engine but not going anywhere. This sound happens if I accelerate lightly or severely and the revving sound is louder the harder I accelerate. I notice that if I accelerate and then ease off of the gas slowly, I don't hear the revving sound.
I notice that this seems to happen randomly, as in I start the car and it happens from the start, or I start the car and it doesn't happen at all for that drive.
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I'm not sure whether the issue is with the car or the user, but when I go to an automatic car wash and need to put my new 2012 Prius 3 into Neutral, I struggle and struggle. This past weekend they had to shut down the conveyor for several minutes waiting for me to get the car into Neutral.
I've tried shifting straight left, jamming the shifter left hard (it seems to rotate), moving it into Drive or Reverse and tweaking it up or down a little bit, but nothing seems to work, it always moves into Reverse or Drive instead.
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So the 2011 Prius was sitting around for a month as my friend was out of town. It is parked in my side yard. The hybrid system started just fine, and I put it in neutral while I was sitting there about to drive it. The battery shut off while in Neutral. From what I've read, the battery won't charge while in Neutral. The car will not accept a jump from another car using jumper cables, but it IS GETTING POWER from the portable 10amp charger I set up. The lights in the cabin now come on, the doors respond to the key, etc. The engine will not start though, even though the battery charger says "fully charged". As soon as I unplug it, there is no power to the Prius. I think the problem is that there is no way to get it into "P", which according to the manual, is the only way to start the engine.
The hybrid system will not start in Neutral, according to the manual. How to get it into "P" at this point? The light just doesn't come on when I hit the "P" button. I've tried simultaneously holding the Power button, trying to switch "mode" and everything. Nothing responds.
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