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Author Topic: Anyone fancy a few free horsepower??  (Read 1424 times)

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hotel21

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Anyone fancy a few free horsepower??
« on: 07 September 2006, 21:41:34 »

Was out this evening giving my car a hoover out and noticed that the accelerator pedal was a bit on the slack and loose side.  I continued to hoover and I was contemplating what the slack pedal meant.

I got someone to sit in the car with foot hard to the floor on the accelerator pedal while I checked the cable at the throttle bodies.  There was a fair bit of slack in the cable, not including the spring portion at the pedal end.



I decided to remove the accelerator pedal and try bending it a little to take up the slack as there was nothing to be seen to adjust it out.

After removing three twist clips the sound deadening trim slid out andthe pedal mount was clear to see.



It was easy to free the cable from the top end of the pedal, its just a grommit that slips out.



After some slight twisting in the vice to increase the bend of the pedal then it was all put back together again.  I made sure that I didn't bend the pedal assembly too much otherwise the spring tension mechanism at the cable end would be overcome and the enging would race when started - meaning the throttle bodies would be moved open as the cable would now be too short.

Result?  Car seems crisper on full throttle, but dunno whether real or imagined!!  Increases could well be real and would be interested to find out what others think.


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TheBoy

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Re: Anyone fancy a few free horsepower??
« Reply #1 on: 07 September 2006, 22:04:55 »

wan't there enough adjustment on the adjuster then?
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mr des

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Re: Anyone fancy a few free horsepower??
« Reply #2 on: 07 September 2006, 22:15:26 »

what adjuster. would reseting the ecu do the same thing as it would learn the new fully open position
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Tezray

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Re: Anyone fancy a few free horsepower??
« Reply #3 on: 07 September 2006, 22:28:35 »

I imagine you could have used the adjuster under the bonnet lol You just need to pull the retaining clip of the accelerator cable, remove slack and refit the retaining clip.

If yours (des) is a newer model and uses fly-by-wire then there is no adjustment.
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hotel21

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Re: Anyone fancy a few free horsepower??
« Reply #4 on: 07 September 2006, 22:32:00 »

Quote
wan't there enough adjustment on the adjuster then?

You got me thinking with that.....

Just went out and had another look.

Seems last person to adjust the cable put the slip on spring clip then turned it round so that it was hidden against the main body, hence I couldn't see it.   Dafty......  :-[

Bending the control pedal had the same effect, though, just a wee bit more ham fisted, as they say up this way!!   ::)
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mr des

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Re: Anyone fancy a few free horsepower??
« Reply #5 on: 07 September 2006, 22:34:03 »

Quote
I imagine you could have used the adjuster under the bonnet lol You just need to pull the retaining clip of the accelerator cable, remove slack and refit the retaining clip.

If yours (des) is a newer model and uses fly-by-wire then there is no adjustment.


cheers m8 :)
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Tezray

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Re: Anyone fancy a few free horsepower??
« Reply #6 on: 07 September 2006, 22:38:33 »

Sorry just seen yours is a 2.0, hence not fly-by-wire! But tbh it should be adjusted properly, unless somewhere in the past it's had some cowboy working on it!! Haha
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merge

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Re: Anyone fancy a few free horsepower??
« Reply #7 on: 10 September 2006, 14:36:02 »

Just to add, you must make sure the throttle fully returns and switches the TPS ( throttle position sensor ) else the ecu won't know your at idle, and all the adjustments it makes at idle won't be there.
hope this makes some sense to you, good luck
Kevin :-?
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