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S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

What does the esp button do?

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Old 08-19-2002, 08:48 AM   #1
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Default What does the esp button do?

I know its for traction but isnt that what quattro does basically (awd). If i turn off esp how different does the car handle near the limit. What are the differences (car spin out, etc...) thanks
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Old 08-19-2002, 08:52 AM   #2
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Default The ESP will turn back on if it feels that you are losing control. It will apply brakes and such to

help if something feels wrong for the car. It's just another safety net.
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Old 08-19-2002, 08:52 AM   #3
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Default leave it on unless u are gonna drive on a track...

it u turn it off it allows your car to "slide" thru the turns.. i think the ESP corrects it so that it straightens out your car.
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Old 08-19-2002, 08:54 AM   #4
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Default prevents wheelspin - can't launch with it on - cuts power when wheels slip

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Old 08-19-2002, 08:54 AM   #5
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Default Near the limit...

ESP will kick in and apply brake/trottle adustments to keep you out of trouble. It will also kick in during really hard launches if it detects wheel spin during a drag race. Just remember that it's always on.....you need to hit the button everytime you start the car if you don't want it kicking in.
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Old 08-19-2002, 09:02 AM   #6
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Default quattro transfers power front to back or back to front....

the presence of ESP, aside from braking and throttle, also transfers power from side to side in the event that is required.
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Old 08-19-2002, 09:04 AM   #7
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Default Turn it off if you want to drive as if you were on a track :-)

It's really annoying when it kicks in on sharp turns that you want to take aggressively. It seems to briefly kill the throttle and with it your ability to power out.
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Old 08-19-2002, 09:09 AM   #8
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Default Actually, ESP isn't for transferring power from side-to-side...

...the EBD (Electronic Brake-force Distribution) system takes care of that via the ABS sensors and your brakes.
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Old 08-19-2002, 09:15 AM   #9
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Default Are you saying it'll turn itself back on and help you out?

A friend and I took his S4 out in the snow, and had some fun - ESP was turned off and stayed off.
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Old 08-19-2002, 09:15 AM   #10
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Default I stand corrected then.....

I don't even have ESP. Can't think of many occasions when I ever needed it. I think the quattro in itself is fantastic. My guess is that Audi had no choice but to throw in some sort of traction control for marketing purposes, knowing full well that the cars were already safe enough.
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Old 08-19-2002, 09:41 AM   #11
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Default Wow, I just thought it helped the car read my mind.

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Old 08-19-2002, 09:46 AM   #12
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Default According to the Bentley manual, it'll turn itself on if the brake pedal is depressed...

Then off again once you are off the brakes. It should stay off if you are just on the gas.
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Old 08-19-2002, 09:47 AM   #13
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Default It basically helps when the car feels like its losing control like into a turn you are going to hot

into. Snow is a different situation altogether.
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Old 08-19-2002, 09:58 AM   #14
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Default here ... read this:

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Old 08-19-2002, 10:24 AM   #15
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Default Yeah, its got a nice habit of doing that at the limits of adhesion...

And thereby sending your car off the road/track.

One of the worst designed things on the car. Its great if you're putzing around town in the rain or snow, but its horrible if you are really pushing the car. Dangerous, in fact.
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Old 08-19-2002, 10:24 AM   #16
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Default Isn't EBD basically electronic brake bias, and EDL is for transferring power side-to-side?

I thought EBD is designed for redistributing brake load front-rear in the event the car is heavily loaded or under heavy braking situations so the brake distribution is even. Where EDL (Electronic Differential Lock) Also working with the brakes and ABS sensors is for side-to-side power transfer.
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Old 08-19-2002, 12:03 PM   #17
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Default Give you the impression that you can actually turn off the driver aid. :)

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Old 08-19-2002, 12:27 PM   #18
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Default thanks

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Old 08-19-2002, 01:34 PM   #19
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Default go out in the rain and drop the clutch with it on...then with it off...now you know!

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Old 08-19-2002, 01:38 PM   #20
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Default i drive in the snow for nearly 8 mos. a year and mine has never "come back on" it most deffinately

will let you go out of control if you turn it off. i know because i have.
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Old 08-19-2002, 01:38 PM
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