Sonata NF (2006-10) :: Accelerates On Its Own In Gear / RPM Increases
May 1, 2012
When the vehicle is started and shifted to drive or reverse, the RPM increases and you have to hold the brake so it won't take off. The idle speed is normal in neutral or park. No codes. The Accelerator Pedal Position (APP) sensor voltages are normal with the pedal released. the TPS voltage incress one volt when put in to drive or revers. Have checked the ECM grounds they are ok. .....
2006 sonata LX 3.3L 174,000 miles
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My old truck's engine starts accelerating when I put it into gear. This is a 1973 Ford F-100, 3 on the column. I just had it in for work (had let it sit for a long time and had noticed a gas leak at the carb so I had it hauled in). The mechanic cleaned the carb (carb kit), fixed the leaks, changed fuel filters, plugs, wires. It seemed okay when I picked it up.
The next time I drove it, it started fine, idled fine, but when I put it into gear the engine began accelerating on its own. As I was driving it would do that intermittently and I had to keep kicking the gas pedal to get it to let off. The engine had done that once before when idling before I found the gas leak and before I took it to the mechanic. What is sticking or why?
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Toyota Camry 2000 , 195,000 miles
Last couple of months or so, my vehicle would intermittently stop accelerating, especially when climbing hills. A couple of days ago, the vehicle is completely unresponsive when pressing down on the gas. The vehicle revs, but won't go forward. It will only go in reverse. Everything else is working in the vehicle.
I went ahead and put about a half quart of transmission fluid. Still nothing.
Other information: the vehicle has been leaking engine oil and transmission fluid for the last several months.
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While driving 35-50 mph and slowly coming to a stop the vehicle continues to accelerate on its own? Example: When I put my foot on the break as I'm approaching a stop I hear the engine almost as if it's revving so I'm literately fighting with the break pedal to stop the car but it's impossible it just keeps going until it gives up and actually stops. I do hear the this revving noise coming just for those few seconds.
I called Toyota Headquarters and they suggested that I go to a nearest Lexus dealer which I did. I explained this situation to the rep and the rep replied if I have any check engine lights on or any of that sort but there wasn't and still isn't. He then told me there will a $150.00 service charge to see what the problem is (in other words have one of their mechanic's drive the car and see if they can reenact the situation ) That made absolute no sense to me that they are charging me for something that should be taken care of at no cost considering this is not a maintenance issue. What bothered me more was not the money but the fact that some "Joe" was going to drive around the and come back saying there is no no issues and I walk out -150.00 as I explained this doesn't happen all the time' I got frustrated with the guy and walked out.
Now, since then it has occurred again and I'm getting tired of this more importantly it's to damn dangerous. In addition to all of this, A few months ago I have received a notice that there is a loss settlement towards Toyota in regards to the Electronic throttle control system (ETCS) I submitted my part and still waiting to hear from them.
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2015 F-250 Super Duty, 6.2 L Gas with 6r140 Transmission. I have 13 K miles on my truck. While pulling my travel trailer up a hill the transmission kicks down thru the gears, which is fine, but as I crest the hill and in 2nd gear, the engine begins to rev up and the speed increases, the transmission will not automatically go into3rd gear. I have tried to let up on the gas pedal, but it remains stuck in 2nd gear. I have to shift to "Manual" and then put it in 3rd gear. Then it shifts up as it should. I have tried with the transmission in "TOW' and not in "TOW". I have even tried it in "Cruise Control".
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2015 F250 with 6r140 Transmission. I have 13 K miles on my truck. While pulling my Travel trailer up a hill the transmission kicks down thru the gears, which is fine, but as I crest the hill and in 2nd gear, the engine begins to rev up and the speed increases, the transmission will not automatically go into 3rd gear. I have tried to let up on the gas pedal, but it remains stuck in 2nd gear. I have to shift to manual and then put it in 3rd gear. Then it shifts up as it should. I have tried with the transmission in "TOW' and not in "TOW". I have even tried it in "Cruise Control". Ford dealership ran tests but could find no problem. However it was road tested without the trailer.
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Starting at about 30mph there's a humming noise that gets louder as speed increases. It doesn't seem to change if I am steering right or left and i have no steering wheel shake or any sort of noticeable bumping at 60mph. Could this just be my tires making noise, they are quite worn by now.
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I have never had a car with automatic transmission that did not also have low gear or others besides overdrive. We are going to the Rockies and I would like to know how to get my car to use lower gears for accent and decent without over revving or constant gear shifts that I expect with the normal drive gear.
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I have a 2006 Hyundia Sonata. I idles really bad like you pulled 5 of the six plug wires off when you put it in gear. Once you start moving a couple miles an hour it is fine. It is also perfect in park or neutral, not a hint of a problem. Put it in drive or reverse and it almost stalls.
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Just got my 06 3.3 GLS. Sometimes it seems to hang in between 1st and 2nd gear. No amount of throttle will make the car go or rev up until you let off and it changes gear. Then its fine. 79k miles, no cel. When i say it wont rev it will be at full throttle and engine and vehicle speed doesn't change. I just had the heater core replaced but not sure how this would relate to that issue? Someone said he thought maybe the trans needs to relearn its shift points after having the battery disconnected but not sure I buy that.
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This week I noticed a sound that sounds low that increases then the vehicle goes faster and decreases when it slows down. It is not wheel bearing noise. Took a doctors type scope and put it on the pulleys listening for the bearing noise in each pulley and found my alternator pulley making more noise than usual, My car needs new accessory belts so I ordered 3 new belts and will be replacing them soon. I am hoping the noise is from worn belts and not the alternator. If it is the alternator its going to cost me 250 bucks for a rebuilt one. I'm not sure if I can tear the alternator apart and replace the part bearing part. Have to look into this. Is this normal for a car with 161 thousand klm for accessory belt bearings on items to start to go bad? I sure hope the water pump and power steering and ac compressor and ac tensioner last. These all have bearings in them as well.
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I was measured 0-60 time and the best result with GPS was 11.4, and that is pretty disappointing. Also noticed that after changing from second to third gear while pushing to the read line on full throttle it have about 1 second delay without power, then starts to pull again!? Is this normal?
It is '2006 sonata with 2.4 160hp, everything with car is ok but from the first time I bought it (8 months ago) it just feels sluggish.
I found on carfolio that 0-60 time for that car is 8.8 seconds, and mine is 30% slower... that is too much! Also from the first time have problem with starting in 1st gear, it is almost unusable because it is syper sensitive on foot, is this normal?
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I have a 2006 Hyundai Sonata that is making a loud clunking noise when I first put the car in gear. I start the car, put my foot on the brake, put the car in R and I hear a creeeeaakkk, clunk! noise coming from the front, passenger side of the car. I back up out of the driveway/parking spot, put the car in D and get a slight clunk! noise out of the same area again.
At first, I thought this was maybe a ball joint or a tie rod failure, but a friend of mine and I took the front wheels off of the car this past weekend and I gotta say, everything was found to be in solid shape. Nothing loose, bushings are in good shape, boots are in fantastic shape, no loose wheels that can be moved in ways they shouldn't move. After getting the noises and clunks to happen again, my buddy's opinion is that it's my transmission having a tough go of it and that I should take it to a transmission shop. Is it a transmission thing?
2006 Sonata, 6 Cylinders, 141,000 miles (227,000 km)
Never did anything with the transmission fluid since I've owned the car. I bought it in 2010 when it had 80,000 miles (129,000 km) on it.
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I have a 2010 Sonata 2.4 with 63k miles and auto trans. Just recently I have noticed a single soft click when braking, just before the car comes to a dead stop. I can hear the click and also feel it in the gearshift.
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2007 Sonata V6 with 72K miles.
The car has developed a rough idle while in gear (i.e. when stopped at a stop light) and park (i.e. after I start the car).
It's starting to get a little annoying since I'm used to a very smooth idle.
I think this issue started within the last 2-3k miles.
Plugs were allegedly changed at 30k. A full tuneup was done at that time.
Wires are still original.
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I have a 2006 Sonata LX with 91,000 ,miles and today it starting making a clunk sound when I would accelerate normally as it was going from 2nd to 3rd gear. My question is this: I have 91,000 miles on it and have owned since new in 2005 (8 years). Does it sound like a transmission problem and would a transmission problem be covered under the 10 year, 100,000 miles warranty?
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My car has been vibrating under acceleration since past 2 months. It isn't present in first gear but is evident in second and third gear ,and increases with more acceleration. I replaced engine mounts as they were shot,and got the wheels balanced but the vibration still persists
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I bought my sonata with about 48,XXX miles about 2 months ago, and now it has 52,500 (im a student - dont drive much). Anyways, whenever i start my car up and drive down the road, when the car shifts in to third, i hear a slight knock. almost like a little gong - metal on metal.
Once it does it the first time, it doesnt do it anymore. Im guessing temperature could have a factor?
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My 09 Sonata GLS has 50k miles on it. I bought it as a demo model with 9k on it (regret that) as new ... who knows how it was treated.
at 40k miles I noticed that in the morning when I was braking the car would feel like it was slipping out of gear momentarily and it was pretty rough. After a few minutes it would stop and I could continue on my way. The car is an automatic. I noticed it if I let the car decelerate enough that it dropped into first on its own, or if I used the brakes. I figured it must be due to the cold weather or something and was hoping it would clear up. This was only happening after 8 hours of non-use, overnight in the cold.
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I just bought 07 Sonata CRDI tiptronic and it turns out it has problem when shifting from 2nd to 3rd gear: rpms jump up and i feel the kick.
It is not that noticeable when shifting at 50kmph, but worse when shifting at 60k kmph.
Same on Drive or when shifting manually. What the problem could be?
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I noticed that recently my 2007 Sonata (108k Miles) is making a knocking sound when it shifts into second gear. It happens only when I back out of my garage and drive down the street and the car is cold. After that there is no more noise, and the transmission is shifting through the gears smoothly.
I recently replaced the transmission fluid, about 5k miles ago and I used the recommended type.
I read other postings with people having the same problem, and in those cases they pointed to the ABS self-check which occurs when you first start out. But this is definitely not my case as the noise is coincidental with shifting into 2nd gear and it only does it when the transmission is cold.
Could this be caused by the fluid temperature or maybe because the fluid has not had a chance to circulate through the transmission and fill all the cavities? Its rather strange thought that I just noticed it in the last month or so, if that were the case I should have had this problem before.
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