Lexus - Brakes :: 2000 - Slight Engine Surge Moves The Car Forward
Mar 6, 2014
My 2000 Lexus GS 300 has done the following three times when I've been inching forward by lightening on the brake (not touching the gas pedal): slight engine surge moves the car forward and the brakes don't work. I have to throw the car into "Park" to stop. Had it checked each time (twice by my local shop and once by the dealer) and they find nothing amiss. These three incidents have occurred several weeks apart, during cold weather. My car has 98,000 miles on it and has been very well maintained.
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I have had very few automatic transmissions in my lifetime, so I know less than I suppose I should. This one's a C-6. When I start the engine in the morning, shifter in the Park position, I often feel a very slight, very short tendency for the van to try to move forward. Why?
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I've had my 2010 Prius II for less than a month and am not particularly happy with it. I've experienced a slight surge forward when braking on uneven pavement at low speeds at least 4-5 times in 900 miles. This isn't something I can duplicate on demand. When I took it in to the dealer after the first time and asked if the ABS fix had been made to it, they told me my car wasn't part of the "campaign" (aka recall) because it was manufactured in March and the ABS problem had been solved by then. However, it sounds exactly like the problem people were discussing in Jan/Feb.
Once when I put it in reverse in a parking lot it lurched backward (my foot was on the brake) suddenly -- not far, but it was an alarming sensation. It also has a high pitched, barely audible whine when moving (can't hear it if I put on the radio). The mechanic said that was the normal sound of the battery, but I don't remember it from other cars I test drove. Is it normal?
I'm keeping an eye on the dome lights every time I park because I found them on one night (they'd probably never shut off after I parked the car during daylight hours) -- it could have been that the light was switched to "on" rather than "door," but now I'm paranoid and constantly check to make sure they're off when they're supposed to be, for fear of wearing down that little 12 v battery. Not fun.
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Earlier this winter and last year, the forum had discussed the occasional fast idle in the 3.6L. Symptoms include the engine idling at 950-1000 RPM and the car feeling like it wants to surge forward. I had the problem twice during heavy snowstorms in February, but nothing really since...until this past week.
The weather here in Chicago has been in the early 90s and I've had the AC cranked. At the same point, I've had the fast idle event occur at least 5-6 times in the past week. Almost every time it has occurred while moving in very heavy traffic. Have others seen something similar in very hot weather?
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my 2006 GX has 95000 miles and recently i've noticed a slight hesitation followed by a slight surge in speed while driving at a constant speed. it almost feels like i'm pushing the accelerator then releasing it. its a very mild difference but i'm guessing tranny and have 5k left on my warranty. it occurs at a variety of different speeds but most noticeable at about 35-40mph and up around 55mph.
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My drivers seat feels like it moves slightly after applying the brakes and then back on the gas like when you almost come to a full stop. The car is CPO with 22k and new to me so I can't say how long it's been happening. I feel like I remember a similar problem and TSB with the 2 gen IS but I'm not sure. I'm just trying to get some info before taking it to the dealer.
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My RX350 is over 4yrs old with 105k km on it. I notice lately when I drive off the seat moves back a bit and when braking hard it moves forwards. It is about quarter of an inch movement but it is noticeable. I guess it is not under warranty now. I looked under the seat but can not find where this is coming from, I am assuming it must be a loose bolt that needs to be tightened.
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I have an RX 330 with about 154K on it. I have noticed recently that (from a stop) when I press the gas there is a slight hesitation before the car lurches forward and continues down the road. Also, in general the car doesn't seem to have the get and go it once had. What I should look into to determine what might be causing this problem?
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The brakes surge with more power when the brake pedal is held at a constant pressure. My guess it has to do with the brake booster. But normally a failing booster would result in less braking ability not more.
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However, my '07 Wagon has the manual seat with the power lumbar. The problem is at almost 6'4" I need the seat all the way back and to achieve that I have to lower it but I need more support under my thighs because of my sometimes bad back. When you raise the seat it also moves forward which is not good. Other than finding a full power seat from a wreck, (power seat gives the ability to tilt the seat cushion) modifying the existing mechanism?
I bought the car as a CPO 4 months ago and love it other than this. I'm actually thinking of getting out of it but I really can't afford to right now.
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I have a 2002 Accent with 119,000 miles on it. Its an automatic transmission. When I am driving the car feels like it surging forward while I have the brake on...its doesn't happen all the time. But when it does it surges for half a minute, then run fine and then surges again.
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When you have the key in the ignition and have it so the steering wheels moves up and outta the way too? My seats sounds like 3-5 seconds of some serious farting action. Not good when on the phone and someone asks, "whats was that?" I am sure its the leather rubbing on the side of the console, but god damn will it ever stop!? Only 5K on the touareg, so maybe it will go away sooner or later...
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I own a 2010 Toyota Corolla LE. I've noticed recently that the driver's seat moves either forwards or backwards when coming to a stop. The movement is not dramatic, but sure is noticeable and annoying. I took the car into the dealership, and they told me if this problem was not caused by the car itself and was occurring because of me, they will charge me around 125 dollars for a diagnosis charge. I took the car right out. Is it just normal wear? My solution was to remove the whole seat and see if there are any loose nuts. By the way, the seats are manual.
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I have a Gen III Prius 2010 with about 50k on it. I've noticed over the past month that when the ICE shuts down at a stoplight, the car will surge forward a bit. If my foot isn't on the brake really hard, it will translate to the car actually moving forward until the ICE is totally off. If my foot is on the brake hard, you can feel it push against the brakes, and then the car settles back in place. It doesn't happen every time, so it still takes me by surprise.
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After washing my 08 GX and putting in the garage to wax dry I have found that the next time I get in it to drive-often a day or so later,the car will not move in reverse ( or forward) without me revving it up quite high to overcome the locked up pads on the rotors. Sometimes its even screeches the tires to get in unlocked. I just washed it and letting it sit outside for a bit to see if the sun will dry out the rotors/pads and that would work.
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Reverse band broke in my C4, I took it apart enough to get the rear band out and then reassembled. Everything to my knowledge was seated correctly and the front pump seated flush with the case when I reinstalled (which is supposedly a sign that it is all seated correctly). I adjusted the bands to spec and replaced the vacuum modulator and torque converter. These were the only things replaced besides the reverse/low band. Vac modulator was replaced to original (yellow band) as I was running an adjustable before. TC was replaced just because I did not the last time I had the trans rebuilt in 2003....decided to go ahead and R&R.
I got everything assembled, filled up with fluid and no leaks. I start it up and once i finished topping it off, the truck moves forward in every gear... including park! It also seems that I'm missing a shift detent. I have P, R, N, D, 2 but no 1. I disconnected the shift linkage and tried manually shifting from the trans and have the same issue.
I did not open up the valve body, just unbolted and replaced. When you start it up, it doesn't jump forward (while in park) but when you rev it up it sounds like the motor is under load. I've consulted my Haynes C4 book and an extensive google search and no way...
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I don't know if this is related, but my car has not shifted as well as it did before I gave it my oil change. The car only has 3K miles, new Hyundai oil filter, and Mobil 1 Synthetic 5w-20.
It's not a major dip in performance, but enough for me to know its different. One example is when I come to a stop, the car seems to surge forward a little bit. Another is that is shifts hard from time to time when I give it gas.
Going uphill, it just doesn't have the power like it did. Also, it feels that it's not in the right gear..like 5th or 6th gear. It's hard to describe the symptoms. The weird part is that the MPG is the higher than normal.
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I had the tranny/transfer case flash done sometime ago, which yielded smoother driving in "D" mode. However, I noticed that when braking in "S" mode, the downshifts actually cause the car to surge forward strongly. It's disconcerting enough that I now avoid driving in "S" mode unless I need to merge into traffic quickly; even then, I prefer shifting manually instead.
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2002 Chevy Monte Carlo SS 6cyl 100,000 miles
Symptom, loss of horse power (from a stop and going uphill), surge or lunge forward when accelerating (misfire?), rough idle (occasional knock). Maintenance, regularly change all filters and fluids, recently had the m.a.f cleaned and changed air filter, spark plugs and wires, oil.
There have been times in the past year or so when the car would crank but not start. Especially when the car was hot. Wait a couple minutes and it would start. Also a couple of times the car would shake fairly hard when started, get up to speed and it was fine.
I have had people tell me anything from a clogged catalytic converter to bad fuel injectors or fuel pump.
Scanned the car last week. No codes showed up. Never had a Check Engine Light.
I forgot to mention that every once and a while the car will jerk when accelerating. I have a coworker who said his truck started to jerk forward and later would not start at all. Our mechanic said it was the fuel pump. I I will see what that does for him.
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I noticed a slight rumble in my 05 Prius (120,000 miles) a few months about. I start noticing the noise around 40mph and at high speeds(65-70 ISH) It goes away. While poking around tonight I found that the back drivers tire is wore a lot more than the right. Also I wiggled the drivers side CV joint and it moves in and out. Also there seemed to be a little "gunk" built up around it. I'm taking it in this weekend for a transmission fluid change and going to have them look at it.
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My 2002 Buick Lesabre has about 160,000 miles on it I keep up with maintenance regular oil changes and what not. Today when I am driving to work and right as I get on the freeway my car starts lurching forward and slowing down repeatedly so I pull over turn the car off look under the hood everything looks normal to me. I wait a bit start the car up and the lights on my panel go from the dimmest they can be to blinding bright and I could not adjust the brightness at all. Any way the car drove fine the rest of the way but the lights were bright as can be the whole way there. What could be causing this? Bad battery?
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