Camry 2012+ :: Harder Acceleration With Harder Push On Brake
Feb 27, 2014
I normally drive my 2010 Prius. But I have been driving my wife's 2012 Camry XLE the last couple of days. (My Prius was clean and hers was not.
Well twice in the last two days I started her car and put it in drive to find it was accelerating uncontrollably! The harder I pushed on the brake the harder it accelerated.
After taking my foot off of the brake I discovered that my size 13 EEE shoe was on both the brake AND the accelerator.
Now knowing this, the same thing happened the second day! Luckily They both happened in parking lots and NO damage was incurred!
This has never happened in my 10 Prius or my 08 Prius. maybe the pedals are not as close or the Prius's low end power was not noticeable.
It would be ironic if all the BS over the floor mats came down to big feet or improperly placed pedals. My feet have been the same size for 50 years and many cars and NEVER had this occur before.
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I have a Camry at 120K now. Front brake pads was placed at 85K and was told by the maintenance person at that time that brake rotors couldn't be resurfaced since they were close to the minimum thickness.
Braking seems still fine these days. I don't hear any high-pitched noise or feel obvious vibration/pulsation when the brake is applied. The brake pads are still within a good range of thickness as the last check was made a couple of months ago.
But the brake pedal is softer than before so that now I have push harder to get car stopped. It that a warning sign which indicates it is time to replace the brakes rotors and pads?
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Recently the brake pedal on my 2002 Prius has been a little harder to push for the first mm of travel it almost "sticks" requiring slightly more effort once it moves past that point it is normal no fading or extra effort required this problem has now progressed to the point where the pedal is kind of crunchy for the first 5mm of travel and occasionally will not return right away causing the brakes to drag a little but again pressure required to stop is exactly the same no fading etc
I am thinking since I live on 2 miles of dusty washboard dirt road and some grit has worked its way into the bushing .
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Three days ago while stopped at a light the car creeped forward forcing me to press harder on the brake to keep vehicle from moving.
Next day drove for 100+ miles with some stop and go traffic no problems. Third day drove 50 miles and upon arriving at home brakes felt spongy and nearly hit the floor the dash illuminated "Check Brake System".
My Camry has 5437 miles on it.
The dealer just called and said they need to replace a "brake booster". They said there is a TSB that addresses this issue in a VIN range.
Image here : YouTube [URL].....
I'm glad I was only stopping to pull into my drive way and not the freaking stop and go freeway traffic on the way to work in the morning.
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I have a 2012 with 5k miles. Starting near 3500 miles, the car started doing hard shifts when 'cold', e.g., when started after sitting overnight. As the engine warms over the first few miles, the shifting smooths out.
The shift behavior also occasionally presents when the engine compartment cools during normal driving. E.g., if I drive several miles at 45mph on a cool day, the airflow under the hood allows more cooling than when stopped at a light.
The cold shifts are getting harder as the mileage of the vehicle increases. Changing from 'D' to 'S' does not work for the problem.
After several rounds with the dealer, they connected me with a Toyota regional representative. He and I drove my car, along with several other 2012's on the dealer's lot, each with a different odometer reading from 2k to 10k. I have also driven a 2012 owned by my parents, that has 2k miles. The conclusion he and I both reached is that the 2012's have a common cold-shift problem that starts around 3k-4k miles, and worsens with mileage. The highest mileage car I drove (an XLE) had 10k miles, and its cold-start shift performance was terrible.
After a month, I'm still waiting to hear from Toyota about what they plan to do (if anything). What was the resolution?
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I just changed all my flex lines to stainless steel and my pads and rotors were replaced. I had some issues with calipers dragging. I used a power bleeder to bleed the brakes all the way around. Now my pedal feels really weird. If I push the pedal fast it brakes hard then it goes to the floor. If i just push it soft, it will just slowly go to the floor without braking at all.
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Can't get a solution to this nagging odor in my car. the dealership (that I do trust) claims they cannot find a gasoline leak or an exhaust system leak. The check engine light is NOT 'on' and the car runs well for a car w/ 139K on it. I notice it briefly gets worse w/ harder acceleration. I'm driving w/ the windows partially open, which is way 'too' cool to suit me. Could this be an emissions system problem not tripping a sensor for the computer?
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2001-F150 5.4 Eng. bucking/stumble. I think my problem is slightly different than what I am reading about. Here is what I get (125k miles):
* Engine only bucks/stumbles intermittently and not at idle or at harder acceleration (this bucking is really harsh and makes the truck feel like a learner trying to drive a manual transmission and it is jumping down the street). The engine stumble is not a regular timing such as a cylinder going out and staying out for a period of time. It is quite a random pattern to the jumping
* Originally thought it was humidity related, but now I realize it happens in any climate
* No stumble in neutral at any rpm... only at a stop if I put it in a power brake load.
* When the stumble shows up, it seems like the throttle is around 10-25% (my best guess)
* Sometimes goes days without issue, but sometimes every ride and virtually every acceleration.
* Normally no stumbling at highway speeds, unless going up a hill.
* Every time it stumbles, it can be eliminated by either backing off on the accelerator some, or hitting the accelerator harder.
* No engine codes or CEL has ever come on
* Fuel mileage appears to be the same before and after the trouble started
Here is what I have done to try to correct it:
-> Fuel related (bad gas)... tried to run the tank as close to empty and fill it with fuel from different stations... when this didn't work, I have added HEET to it to dry up any water in tank.
-> Fuel delivery... replaced the fuel filter... seemed to work for one day, but then the gremlins came back.
-> Fuel delivery... ran multiple injector cleaners through tanks of gas.
-> Intake... replaced the filter.
-> Electrical... I don't believe this is related, but my battery died... parts store tested the system and stated the alternator was bad... replaced it, and took the old one to the parts store for bench testing and it was 100% OK... even thought the old showed OK, I left in the new one as a precaution. Only other item was a set of plug changes around 30k miles ago... I think I put in the super duper Bosch plugs with a lifetime warranty.
Current thinking and items I don't understand:
A) The bucking is so severe, it appears to be a random harsh loss of either fuel or ignition. A component that has failed electrically should give me a fault code with this level of severity. No trouble codes or indicators to electrically sense this disturbance...
B) For the fuel path, the most likely item is bad gas and I emptied my tank by running it as close to empty as possible and then used different gas and HEET to eliminate water. THIS MIGHT STILL BE THE CAUSE???
C) Another one for the fuel path is an intermittent fuel pump electrical connection or a weak pump from a pressure point. But if this is the cause, then why does it dissappear upon harder acceleration?
D) One last fuel thought is injectors... perhaps one or more have a range of delivery that they don't work properly... but this doesn't make much sense as at idle and harder accels are fine
E) From an ignition standpoint, perhaps I have failing COP's. I have not just gone out an replaced them due to my limited budget and the difficulty I read about changing them. Again, if one of these is failing in an either open or short condition, the computer should set a code for a misfire for the related cylinders. I get nothing. Hence my hesitation in making this change so far.
One thing i don't understand from the various posts is that the cops can fail under loading. what makes this happen as electrically, i don't think they can detect a load or not? it is hard for me to also understand why my truck would allow me to back off on the throttle or hit it harder and the issue disappears.
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Just passed 30 months and 30k miles in my 2012 TDI SEL and suddenly the air conditioning fans blow harder as I press on the accelerator pedal.
To be more clear, as I accelerate, I can hear the windshield/defogger fans blow harder. When I let up on the accelerator the fan noise dies down. I tried adjusting the A/C settings to blow to the middle or feet only, and also enabling/disabling cabin air circulation. It only seems to be the defogger fans that do this.
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I had something unusual happen recently... I backed out the driveway and went to put the car in drive and found the shift lever harder to move than normal and it wouldn't go into drive. It would go into park and reverse easily enough. After some manipulation it went into drive and ran with no problems to my destination. At first, I thought something fell down into the mechanism and was causing it to bind. AND of course, when I showed it to a pal, I could not recreate the issue. The next morning it worked fine, but it happened again later in the day, but it took much longer to get it into drive.
On the way home, the check engine and traction control lights both came on. I dropped it off at my mechanics and he diagnosed error code C1201 P0705 and claims that the remote starter (shop installed after market) is interfering with the transmission control module. I contacted the installer of the starter and he says it is not possible, but I know something is wrong... Now, I can't get it to act up and the idiot lights are gone. I need to rely on my vehicle and can't afford to be stranded somewhere. I feel it would be pointless to take the car to the installer, since the warning lights are gone and there are no shifting issues now.
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4 cylinder Japan built camry se manual trans ... 158k miles
Steering got stiff/lumpy driving to work today...trying to figure out if it's the rack or the pump.
Pump isn't squealing but makes a tiny bit more noise when turning left or right(when parked)...but I'm not sure its more then normal.
No leaking fluid. Fluid reservoir is filled to the correct level. No torn boots etx.
Steering feels fine driving straight down the road but when turning it's gets stiff and harder, esp going right.
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I have 1500m on my 6m and all of a sudden it feels like it take more effort to move the shifter from neutral to hear and vice versa. Specially first gear but the others as well.
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OK, so for the last few days it gets harder and harder to get into 1st, the rest are fine. Now it will not engage at all. If it were cable, shouldn't it also have problems in other gears? Even with the car off and clutch out, 2,3,4,5,and 6 all go in and stay just fine. First gear feels as if there is a physical blockage. Thoughts?
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I have a 2000 Malibu which started playing up a year ago just after I bought it. The starting became harder and harder the warmer she got, this became worse over time to the point the battery drained completely and the thing wouldn't start. A jump got it going but the battery wasn't charging from the alternator. Replacement battery and alternator solved this first problem, I thought.
Five months later she starts getting harder and harder to start again. This time I got to the mall 2 miles from home, stopped to shop, got back in and she was dead. Ok, slap on the charger...nothing. Ok, called Son and slapped the jump leads on, nothing. Called tow truck who also tried a jump, nothing. I'm wondering starter, solenoid, fuel pressure regulator, ECM, what!?
The other problem is, when it drives, around 28000 revs it hunts and dips up and down around 28000 revs. Also revving to 4000 it dies, but picks back up again and revs, hits 4000 dies and so on. Lastly, often when sitting at lights she fluctuates around 7000 revs and occasionally dies.
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So when i try and brake boost, I put my foot on the brake and then harder on the gas but instead of building power my ecu just cuts the boost. I tried it with traction control off aswell.
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It's been very hot for the past few weeks and I've been using my AC a lot. I've noticed that when the AC is on (4th setting, Max A/C), the engine works a lot harder when taking off from a stand still and going up hills. I can hear the engine struggling and I've often spotted the tach hitting close to 5,000 RPMs when taking off casually from a red light. It only does this with the AC on. I've recently replaced my engine and cabin air filters so I am ruling those out. Is it normal behavior?
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So, For the past week or so, I've been noticing that my clutch has been getting harder and harder to depress when I go to shift. I only have 1500 miles on the car and picked it up 3 weeks ago. When I took delivery, the cars clutch was silky smooth.
This "tightness" is almost as bad as my 6MT clutch on my old subaru (which needed to be replaced because the spring on the pressure plate tightened). What could be making the clutch feel so heavy? I'm not too familiar with the VW clutch. Is it hydraulically actuated? If so, maybe the fluid is low or leaking?
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I had my car in a garage for 5 days and it started up and drove fine. I went to the store got back in my car and now if feels like the car is working harder to move and the initial electric motion feels impeded.
Tires at 29-33psi. Oil was at low line. Filled it up....test drove and it feels the same sluggishness
The gas engine even sounds like it is working harder to move.
My car has over 200,000 miles.
I think I need a new cat converter....but I have been trying to find one...
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I have a 1997 Nissan Maxima. The past few weeks, it sounds like it's getting harder and harder to start. Last week, it wouldn't turn over, and had somebody jump me. I took it to Pep Boys and they tested the battery and alt and said both were fine. Tonight, it wouldn't start again, I had somebody try to jump me and no sounds/no activity. About an hour later, I went back to get my car and it was able to start..
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The colder it gets the harder it takes to start my 2000 Ford Explorer. Have read that it's the Intake Air Temperature Sensor.
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I keep finding air every time i bleed my clutch. I am not losing fluid but i can not figure out whats causing my problems. The pedal is soft at first and then gets harder and it sometimes needs pumped before i change gears or to even get into gear. I am afraid its the slave but i also just may have air in the system.
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