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Topic: Stiff accelerator within 500 yds of driving (Read 599 times) |
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wobbs
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Stiff accelerator within 500 yds of driving
« on: Dec 6th, 2007, 10:01pm » |
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Starts up fine, revs fine, engages gears fine but within 1/4 mile the accelerator stiffens up and only gives me 50% acceleration then it stiffens up completely and I have no acceleration 
I spoke to an autobox expert he says if it engages gears its fine and the problem is electrical
I connected the ELM320 and there are no DTC's
Any ideas folks
1997 24v Ultima estate
Regards
Andy
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Highlander
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Re: Stiff accelerator within 500 yds of driving
« Reply #1 on: Dec 6th, 2007, 11:03pm » |
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The pedal stiffens up? as in you cant press it to the floor?
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Kjetil S
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2001 BMW 520iat
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Re: Stiff accelerator within 500 yds of driving
« Reply #2 on: Dec 7th, 2007, 12:29am » |
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If it becomes physically hard to push in, then it sounds like a problem with your traction control system. Is the traction control warning light flashing? (the orange one looking like a wheel spinning)
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wobbs
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Re: Stiff accelerator within 500 yds of driving
« Reply #3 on: Dec 7th, 2007, 7:13am » |
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Hi Highlander
It can be pressed but its as though i have added 5 extra strong springs.
Traction control is ok for now, a few weeks ago though i got the traction control light and the abs light on for a while but they have not come on since then. it feels electronically restricted. if i sit in the car with the engine running with it in neutral, within 5 minutes it will unrestrict itself and give me 50% acceleration use but if i go for a drive again it will restrict 100%.
Regards
Andy
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scorpio_man
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Ford Kuga awd
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Re: Stiff accelerator within 500 yds of driving
« Reply #4 on: Dec 7th, 2007, 7:42am » |
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hi there
i agree with the t/c idea. try driving with the t/c switched off (light on dash). see if that's any better.
then check the throttle cable. it runs all the way round the engine bay to the t/c unit behind the n/s headlight, then up to the throttle body.
hth
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Snoopy
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Re: Stiff accelerator within 500 yds of driving
« Reply #5 on: Dec 7th, 2007, 8:07am » |
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Sounds like TC cutting in As in the messages above ...
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Matt
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Re: Stiff accelerator within 500 yds of driving
« Reply #6 on: Dec 7th, 2007, 9:07pm » |
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what size wheels are are on it?
if the back are a smaller diameter then the front the car thinks the rear wheels are spinning
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wobbs
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Re: Stiff accelerator within 500 yds of driving
« Reply #7 on: Dec 8th, 2007, 11:18am » |
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Spoke to auto lecky (mark) and he confirms it is the traction control at fault so yes guys you were correct thankyou. he says i have 2 options change the accelerator cable and go direct to the throttle housing bypassing the TC system altogether or take a look at the system he says it works via cams on a push/pull basis he has never taken one apart as being with a ford dealer for 20 years all they have ever done is change the system.
Has anyone ever taken the system apart to see what ticks?
1 thing he did say is that they are a fantstic car
Matt the wheels are standard 16" cosworths
what he did tell me is that 10% wheel speed difference engages the TCS
Regards
Andy
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scorpio_man
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Re: Stiff accelerator within 500 yds of driving
« Reply #8 on: Dec 8th, 2007, 1:47pm » |
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hi there
more than likely the t/c module itself. just change it for one from a scrap car.
they're all the same.
hth
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ghia-cossie
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Re: Stiff accelerator within 500 yds of driving
« Reply #9 on: Dec 9th, 2007, 7:08pm » |
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when my traction control is comming in, i dont feel anything in the pedal!! but tc works perfect.
groeten
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wobbs
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Re: Stiff accelerator within 500 yds of driving
« Reply #10 on: Dec 9th, 2007, 7:43pm » |
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Wel it did it again today even with TC turned off 
the cars max speed was 1/10 of a mph till i took the plastic shroud off the engine and shoved a peice of wood i found in the kerb into the throttle linkage and raised the revs to 2000. got me home it did 
So it gets disconnected tonight/tommorow
will let you know how i get on
Regards
Andy
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wobbs
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Re: Stiff accelerator within 500 yds of driving
« Reply #11 on: Dec 9th, 2007, 10:21pm » |
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All done now "took 1 hour" TC removed rerouted the TCS input cable
back to the throttle linkage I now have full throttle usage with no electronic wizbangery to go wrong
I have while next october to source another TC system
(mot time) or service the one i have, has anyone had any experience servicing the TCS unit?
ABS/TCS light is on
I know TCS won't work because its in my shed 
but is ABS disabled
Regards
Andy
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