My lancer mx 2003(cvt). what do you think is the problem if it is not that fast when pushing it gas pedal.... theres a delay.. im talking about when overtaking.... not like the other car when you push the pedal it will automatically accelerates........not like my mx (cvt). is there a problem with the transmission of timing only.......

Sounds like you lost you timing belt.

I’m happy to assist further over the phone at https://www.6ya.com/expert/howard_977676954994c5b2

There still may not be enough gas in it. When you run a vehicle completely dry it takes a quite a bit to get it running again. You have to get the gas all the way through the gas lines and to the motor. Try turning your key over just a notch (not so to start it). That will turn your fuel pump on. Give it a few minutes. Do not push on the gas more than a few times. If that does not work you may need more gas

check your push rod going from the pedal to the booster a quick way is to pull the vaccum hose and see if they release the vaccum not being released can cause sticky problems also check your vaccum hose also

The fuel pressure and fuel system needs to be inspected.
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I suggest you few helk links.Click the link below and follow its troubleshooting procedure:------------------Pushing on the gas pedal, but the car slows down? Gas pedal to the floor and the car slows down? http://technoanswers.blogspot.in/2012/02/pushing-on-gas-pedal-but-car-slows-down.html
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Car dies when gas pedal is pressed? http://schematicsdiagram.blogspot.com/2011/12/car-dies-when-gas-pedal-is-pressed.html
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Car won't start without hitting the gas pedal? http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-without-hitting-gas.html
-------------Car only starts when gas pedal is pressed? http://technoanswers.blogspot.com/2012/01/car-only-starts-when-gas-pedal-is.html
----------1999 Ford F-150 Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html
----------Delay starting on Toyota Prius? http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

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These will help.
Thanks.

change fuel filter first,

It's important to adjust the pedal in this case. On the floor near the pedal there should be a nob or other adjustment. Turn or crank it until it is tighter, you should notice this moving the gas pedal closer to the floor. The only down side to doing this is that when you floor your pedal, you won't go as fast.

Believe it or not pumping the fuel pedal is no help. This is a fuel injection system not the old carburetor type. the throttle position sensor is a sensor to tell the computer were the fuel pedal is at it is sensing how much you are pushing it to send fuel to the throttle body.

does sound like you have a leak down problem after sitting a while you may still have a fuel pump concern

I was a little leary myself when i bought the my 08 lancer gts cvt. I have only owned it for three months and has a little over 51000 km on but havent had any problems with it. You will be very impressed with the smooth operation of the cvt, the sprotronic and paddle shifters are amazing and work beautifully. I would recommend it over a regular five speed or a rough changing auto tranny. Besides the fact you should have proper warm up for it to work in colder temps(which is good for all trannys anyways) and the special transmission fluid needed. Fewer components and operates much like a snomobile belt drive system which i thought might affect gas mileage but i got a suprising 42mpg at 100km/hr. Towing anything might be an issue with this transmission since its a belt drive system(small camper or travel trailer) but im not to certain about that.So far so good......i would get another one!

how, you can change the oil transmission

I have the same problem.... It is an easy thing to fix. What it is, is the cable has jamed up in the casing, but you can manually pull and push the cable. On the drivers side of the car under the steering wheel above the gas/brake pedals there should be a bunch of wiring. To the right of all the wiring and mess there should be a cable if you reach in far enough. It will probablly take you a while to find it. It would most likley be surrounded by white plastic. once you find the cable you can pull it and push it, When you do pull/push it you will see the knob turn on your console.

I posted a video on youtube.
http://www.youtube.com/watch?v=uaX-YASmgp8

Good luck!