Prius (2004-09) :: 2008 - Surges Forward When Parked?
Feb 25, 2011
I owned a 09 Prius for 8 weeks, and after a total loss accident, we replaced it with a 08 Touring model. I have never experienced anything like this with the 09, but have multiple times on the 08 (though no real rhyme or reason as to when/why)
The originally happened the night we picked up the 08. I stopped at target to pick up some milk while the wife sat in the car. the car was left in ready mode. when the ICE engaged the car "surged" forward and was enough to startle my wife (who was the usual driver of the 08) enough for her to think the car was not in park (which it was)
We tried to recreate it after i was finished at the store, and while the car did rock forward, it was not as pronounced as the first time (though much more then We feel the car should move upon the ICE starting.)
Took the car back to toyota, and they preformed a full inspection and stated that everything was within toyota's spec, and to keep an eye on it if it were to happen again.
Well it has done this about 5 times in the last few days. The Dealer is looking in to it.
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I have a 2008 Prius basic model bought second hand. There are two issues since I have bought the car; first it will roll back or forward when the brake applied, this happens on any uphill or downhill. I brought the car to Toyota service centre, they did a brake test, the test passed. but this doesn't resolve this issue. It just very weird. during driving, all brake works ok, but parking the car, if not in even service, it starts to roll.
Second, recently I hear there's a crack sound when apply the brake during low speed, especially during the stop/start traffic, and I notice mostly happens when the electrical motor in running. So when brake, the crack, like the spark comes from somewhere like battery. While brake to slow down from high speed, seems no sound. So I suspect it was from the battery or electric motor.
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I've been having an issue with my Elantra GT where the car appears to be shifting poorly. The issue is very intermittent and usually only occurs just after starting to drive for about 4 to 5 minutes. But it never occurs consistently during every time I start driving the car. It is an Auto transmission but it feels as if a poor downshift is being back (car hesitates, then surges forward). From my research the transmission in the GT appears to be fairly reliable.
Background
2013 Elantra GT
KMs: 98500 km (high mileage commuter to work and back)
Note: Installed K&N Typhoon around 95,000 km, issue persisted before and after.
Initially started to feel the issue around 80,000 km. At this point I took it to the dealer and had the transmission flushed. The issue went away until about the 87,000 to 90,000 km mark and then started to return. Went back to the dealer and they said they performed an updated and couldn't replicate the issue during test drives. Currently my car is at 98,500 and this morning when driving to work the issue was particularly severe and the check engine light came on.
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I am having issues with my 2002 chevy cavalier.
The car occasionally surges forward while idle and revs up to 1500 rpm approximately occasionally when the air conditioner is on... if the brake is not applied I move forward.. the lurches are continuous every 3 seconds or so.
I am getting a code for an evap leak.. I have replaced the purge solenoid valve, gas cap, and checked all connections with no luck... slightly decreased gas mileage has occurred.
A little bit of a slick substance has been leaking from the car.. it has the consistency of water, but leaves a slight brown tinge on concrete.
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I have a 1999 toyota tacoma 70,000/mi. While idling, at random intervals, truck surges forward. Have to stay on the brake. Cannot drive in winter. Took to Toyota dealer and other mechanics... described problem and that A/C seems to be on all the time. No one has been able to fix. My brother disconnected the A/C and surging has stopped, but I need a better fix that will allow my using AC.
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So this doesn't begin until I put it into a forward gear, but after about 30 sec of smooth running, I will get a sudden momentary loss of power, then a surge, which repeats and intensifies as the van lurches forward until the engine finally stalls. Throwing it into N in the middle doesn't work. Babying the gas had no effect. It happened both at higher(2.5-3K) revs and at lower (.8-1.5k).
After killing the battery starting and restarting it just to keep it moving, I had it jumped, at which point I sat with it in P for 20 min to charge the battery and in all that time, it ran fine. I'd love to hear some possible diagnoses. Don't know if I should have it towed from where it's sitting, or try to drive it to the shop, or if it's something I can repair myself (think 1-star difficulty).
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2010 F150 for the past 15,000 miles I have been experiencing a nasty repetitive surge when moving slowly forward with the brakes on, as you would do going through a drive through. The truck shakes when this happens and is very noticeable. Ford reprogrammed the transmission module, and now the surge happens twice as fast. What was the remedy? This is my first Ford after only GM products for the past 30 years.......and I hope they can find a resolution soon.
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So i think I have a bad EGR valve cause I've eliminated o2 sensors, MAF, Spark plugs, coils, vac leaks, Fuel filter, and Fuel injectors. Truck throws P0172 and p0175 code, surges in RPM's at 10 MPH when hold steady on gas pedal, exhaust makes a popping sound like popping popcorn. I reset the PCM and unhooked the MAF and it ran a little better but still get the other symptoms.
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Problem I'm having, when in overdrive my 04' F150 FX4 5.4 Triton surges while trying to maintain a steady speed during power delivery to the wheels, it causes a shuttering and bucking effect. If I push the button to turn the O/D off, the RPMs rise and problem goes away. During the problem no CEL illuminates and tach stays constant. Fluid condition & level are okay. (not burnt) I'm completely baffled since there is no code in the ECM to point me in the right direction. I do use the truck to occasionally tow my 5k lb boat & trailer. When I began towing I did not know to turn the O/D off and put some miles on towing in overdrive, I know now that was not good for the tranny.
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I noticed something strange about the engine RPM in two separate trips today: (Note: the graphs are wide and may be shrunk by the web page but can be shown in full size separately if you click on each graph)
As shown in the graphs the RPM oscillates between 0 and ~1300 at ~0.3 Hz. In both times when it occurred I had to do a "pulse" (as in pulse and glide) to come out of the strange state. When it occurred the second time I turned down the radio to listen to the sound of the engine to make sure it was indeed revving and not just a bug in my PriiDash(TM) software. Internally the RPM is reported by one of the ECUs at about 14 Hz. The graphs are plotted at 1 Hz but also keep track of min and max during each 1 second period. I do have the raw data saved so a high resolution graph can be generated if interested.
It was snowing and both times I was going slightly down hill. Before it happened the second time I noticed the traction control warning lighted up briefly, but it was off and no other warning lights were on during the time period of the strange RPM oscillation. Could this be the traction control going out of control (in its effort to rev up the ICE to prevent the MGs from over-revving)?
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I just purchased my 06 f150 about 6 months ago, now I am experiencing some issues!!!!! my reverse works fine but it will not go forward in any gear? nor 4 wheel, that leads me not thinking its the transmission but ppl have said otherwise including mechanics! i did get codes p0174 and p2106 throttle body p0720 put put speed circuit!!!!
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2008 F150 4.2l Popping noise cannot detect source. When the truck gets warm it makes popping noise while driving or parked with engine shut off. Noise is getting louder. This truck has about 50,000 miles on it."
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My 2004 Lariat with 110,000 miles has a shudder feeling when I back up or go forward in low. This only happens when I first take off, as far as I can tell. Would this be transmission clutches slipping or rear end clutches slipping, or something else? What test can I do to isolate the problem?
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What should the idle be at for a 2004 f150 fx4. When I first start the stuck it jumps to about 1200 or so and then after a few seconds settles at about 500 and stays there at all stops. It seems to be smooth but when I let go of the brake, the truck doesn't really want to move forward. It is a crew cab so I know there is some weight there. If anything is wrong, what are some possible fixes.
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I recently discovered a squeak when the car is parked and I move the car forward and backwards. The harder I push, the more it squeaks. I went to a mechanic who told me the struts were "bad" and needed replacement.
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I had terrible issues driving in the snow /ice last month. The car literally would not move forward. I bought 4 new Michelin Tires (Weatherwise II) but am thinking I should put on Snow Tires. Can I put them on the front only since the car is FWD? Also, which tire to choose?
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I just had my 90K service done, drove my '04 prius home and parked it for 2 days.
I tried to open the door like I always do (no remote key, just touching the handle) and the car would not unlock.
When I got into the car the GPS screen did not come up, the Info screen and energy consumption screens are also not working.
Before I took the car in for service everything worked fine.
I'm contending that the service people jostled something they should have just jiggled, or possibly jangled something they should have jingled.
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I have a 2001 F250 HD gas engine. I have had this truck since 2010. I drive it only occasionally and had not driven it in a few weeks so decided to drive it the other day. I drove about 30 minutes with about half of that on the interstate. It was a fairly hot day mid 80s and I had the AC running. I parked it at a very slight forward downhill position. When I came out after 45 minutes, I saw a puddle of antifreeze in front of the vehicle. When I looked underneath the truck it was primarily dripping from the oil filter canister but also from a couple of other places. I was down about 4 inches in the reservoir. My small truck camper is on the vehicle and I had my coolant container in there.
I topped it off and traveled about 10 minutes on surface streets to my next stop.After about two hours there I came out to the truck to leave and there was not a drop. I then drove 25 minutes home with a little on the interstate running the AC and when I got home not a drop. I got up underneath it and looked all around and couldn't really see an obvious source. My neighbor is a mechanic of sorts and I asked him about it. He had a couple of theories but one involved the heater. He said to crank it up, let it warm up, and turn the heat on and see if I smelled anti-freeze. I did that and there was not a smell at all. He also said something about a cold leak.
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I have a Prius i-Tech 2007. I had gone overseas and came back after 2 weeks. On return, the smart key just didn't work. It didn't open the door...I took out the mechanical key and opened the door. Then I inserted the key in the key slot and tried to start the car but it just didn't react at all.
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The car was locked and parked. But the beep you also have when the seatbelt reminder is on when driving was beeping ( at that same speed really fast beeping when you do not put your seatbelt on after a while it starts to beep really fast ). I unlocked the car and open the door and it kept beeping... now of course I can hear it even better.. it was indeed the inside beep.... I closed the door and wanted to lock the door again but before i could press the button it locked itself.... I opened and locked the car again.. after a few seconds it stopped.....
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So I've noticed a few times now that my Prius horn honks about 5 times consecutively At random times while its parked and nobody inside. All the doors and trunk and hood are fully closed and the vehicle is locked when parked. I'm baffled as of what could be causing this. I've only owned my Prius for 2 months so I'm very clueless when it comes to it. What might be wrong?
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