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Old 04-22-2016, 11:57 AM   #1 (permalink)
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Default sx4 Acceleration while Braking

I have a 2012 sx4 and it occasionally accelerates when i am breaking. I cannot stop the car by brake when this occurs. As i apply brake the engine accelerates and my only choice is to put in neutral to stop braking heavier will not stop the motion. this is concerning for it occurs at a stop sign or a red light. if i do not get it in to neutral quickly enough i could hit the car stopped in front of me or a pedestrian crossing the street. my daughter just got her license and my wife is not the best driver. while this happens rarely the suzuki service center cannot diagnose or re-create this scenario ... any others having this trouble or maybe suggestions?
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Old 04-23-2016, 03:42 AM   #2 (permalink)
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ENgine, type? WHere do you live?
I understand this is an automatic transmission.
A full throttle condition lowers vacuum hence power brake is inefficient.
Please confirm nothing on the floor (mats) would link the movement of the brake pedal to the throttle pedal..
Throttle is electronic...is the check engine light coming ON ?
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Old 04-23-2016, 03:45 AM   #3 (permalink)
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Have you totally discounted the possibility that your foot is covering both accelerator and brake occasionally?
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Old 04-23-2016, 04:31 PM   #4 (permalink)
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not possible ...
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Old 04-23-2016, 04:39 PM   #5 (permalink)
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don't know enough to tell you engine type. theres nothing to make a link between the two petals. i would not say it goes full throttle but the harder i press on the brake the harder to hold it back. always happens within the 1st 5 minutes of travel or the 1st 1/2 dozen times i use the brake .. never has happened later on. i live in new jersey ... i would say no more than once a month, this is quite strange
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Old 04-23-2016, 05:47 PM   #6 (permalink)
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Quote:
Originally Posted by StephenCaputo View Post
...... i live in new jersey ......
OK....details are important..now I know you have a gasoline 2 litres engine....in other countries, you can have diesel, 1,6 litres gas engines. etc...., which can behave differently; just knowing someone has "a car" is meaningless.
Again, what you experience is quite strange. However now we know it is occasional, a rather rare event...but anyway, being unexpected, it is a danger, I agree.
Just a few thoughts...THe throttle is electrically operated. Pressing the brake turns the brake lights ON.....is there a link ?....Chaffed wires?
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Old 04-23-2016, 06:22 PM   #7 (permalink)
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sorry LMP ... i am not mechanically inclined ... explained all this to the mechanics who are suzuki certified who could not help ...
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Old 04-23-2016, 06:40 PM   #8 (permalink)
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If they do not see it on their scanner, they will tell nothing has happened.
YOu will have to dig into this with a "private investigator", some mechanics buff who will like to find something and does not count his time....
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Old 04-23-2016, 08:35 PM   #9 (permalink)
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i get that ... was thinking it may be something others were experiencing to validate my situation, this is going to be a rough one i am more concerned about wife and daughter, i am on top of it when i drive they drive occasionally and may not respond as they should.
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Old 04-23-2016, 08:57 PM   #10 (permalink)
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I would still start by trying to remember what shoes you were wearing at the time. Has it actually happened to other members of the family?

Occasionally I can get a bit of a rev up while braking to change out of Park. It has always been a wider pair of walking shoes catching the edge of the accelerator pedal.
Once under way it never happens, I must move my foot differently from 1 pedal to the other..
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