uncontrollable revving problem.

tazabella1 · 08-02-2010, 05:47 PM

Im having a little problem with my Ka. I think she's a 93 1.3..... make sense???

Whilst driving when i have my foot is fully on the clutch my car is revving uncontrollably.. its getting really loud and lasts about a full 10 seconds.....

It is quite worrying as ill soon be driving to work and don't want anything happening to my car.....
Any help would be greatly appreciated....
Thanks

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nicksaph · 08-02-2010, 05:59 PM

if i remember right there was a special notice from ford about this, about a new modifyed throttle position sensor,

will look see tomorrow through my paperwork and let you know

cheeRS nick

focusrsred · 08-02-2010, 05:59 PM

There is an over-run switch on the clutch pedal iirc. Might have something to do with it? Only similar problem I ever had was down to a lambda sensor, but that was bad all the time not just with the clutch down

nthorpey · 08-02-2010, 08:18 PM

sounds like idle speed control valve stuck to me, take it off and give it a good clean out

danzul · 08-02-2010, 08:26 PM

i had a similar problem on my old escort, check the vacuum hoses for splits or holes,

TOMMY_RS · 08-02-2010, 08:34 PM

my dads car used to do this
would rev and shoot forward at traffic lights etc, bastard thing

zetec-Sam · 08-02-2010, 08:39 PM

My mates 1.3 fiesta did this after he went through a rather large puddle a bit fast. New throttle position sensor (old one was full of water) and it was fine.

tabetha · 09-02-2010, 10:32 AM

Could be tps but unlikely imo, it could be the speed sensor gone duff, and not telling the ecu the car is stationary, what sort of rpm do you see, the idea of the speed sensor, which is seprate from the speedo sensor is to hold the revs higher than idle when chaging gear etc to help smoother changes.
tabetha

nicksaph · 10-02-2010, 01:07 PM

i have found the ford technical bullitain but it is for later ka's than yours(96 on) and it is for "idle speed hang up during gear change" which in laymans teams means engine revs uncontrollable during gear changes.
and it recomends fitting a modified throttle position sensor multi plug, finis code 1 150 138.

i can scan the sheet and post it up here if you want as it explaines how to do the job.

cheeRS nick.

XRSTI · 10-02-2010, 05:33 PM

unplug the speed sensor plug on the speedo at the gearbox that will sort it out

kitted_escort · 10-02-2010, 05:37 PM

Have a look at ur beather pipes

08-02-2010, 05:59 PM	#2
nicksaph Regular Contributor Garage is empty, add now Trader Score: (0) Join Date: Jul 2003 Location: nottingham Posts: 342 Rep Power: 9	if i remember right there was a special notice from ford about this, about a new modifyed throttle position sensor, will look see tomorrow through my paperwork and let you know cheeRS nick __________________ Some people never go crazy! What truely BORING lives they must lead!!!!!!

08-02-2010, 08:18 PM	#4
nthorpey I've found that life I needed.. It's HERE!! Garage is empty, add now Trader Score: (0) Join Date: May 2003 Location: Essex, UK Posts: 1,215 Rep Power: 10	sounds like idle speed control valve stuck to me, take it off and give it a good clean out __________________ Hate Xmas wrapping ?

10-02-2010, 01:07 PM	#9
nicksaph Regular Contributor Garage is empty, add now Trader Score: (0) Join Date: Jul 2003 Location: nottingham Posts: 342 Rep Power: 9	i have found the ford technical bullitain but it is for later ka's than yours(96 on) and it is for "idle speed hang up during gear change" which in laymans teams means engine revs uncontrollable during gear changes. and it recomends fitting a modified throttle position sensor multi plug, finis code 1 150 138. i can scan the sheet and post it up here if you want as it explaines how to do the job. cheeRS nick. __________________ Some people never go crazy! What truely BORING lives they must lead!!!!!!

10-02-2010, 05:33 PM	#10
XRSTI I'm Finding My Feet Here Now Garage is empty, add now Trader Score: (0) Join Date: Sep 2007 Location: DUBLIN Posts: 118 Rep Power: 5	unplug the speed sensor plug on the speedo at the gearbox that will sort it out __________________ ONE DAY IT WILL WORK!

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08-02-2010, 05:59 PM	#3
focusrsred Wahay!! I've lost my Virginity!! Garage is empty, add now Trader Score: (0) Join Date: Dec 2006 Location: Preston Posts: 66 Rep Power: 6	There is an over-run switch on the clutch pedal iirc. Might have something to do with it? Only similar problem I ever had was down to a lambda sensor, but that was bad all the time not just with the clutch down

08-02-2010, 08:26 PM	#5
danzul PassionFord Regular Garage is empty, add now Trader Score: (0) Join Date: Sep 2009 Location: lincolnshire Posts: 353 Rep Power: 3	i had a similar problem on my old escort, check the vacuum hoses for splits or holes,

08-02-2010, 08:34 PM	#6
TOMMY_RS SHITE! Garage is empty, add now Trader Score: (0) Join Date: Nov 2009 Location: East Yorkshire Posts: 2,430 Rep Power: 5	my dads car used to do this would rev and shoot forward at traffic lights etc, bastard thing

08-02-2010, 08:39 PM	#7
zetec-Sam neeeeeeeeooowmmmm Garage is empty, add now Trader Score: (2) Join Date: Oct 2009 Location: Laannndaaaannnn Posts: 4,224 Rep Power: 7	My mates 1.3 fiesta did this after he went through a rather large puddle a bit fast. New throttle position sensor (old one was full of water) and it was fine.

09-02-2010, 10:32 AM	#8
tabetha BANNED BANNED Garage is empty, add now Trader Score: (0) Join Date: Jul 2006 Location: uk Posts: 24,646 Rep Power: 0	Could be tps but unlikely imo, it could be the speed sensor gone duff, and not telling the ecu the car is stationary, what sort of rpm do you see, the idea of the speed sensor, which is seprate from the speedo sensor is to hold the revs higher than idle when chaging gear etc to help smoother changes. tabetha

10-02-2010, 05:37 PM	#11
kitted_escort Regular Contributor Garage is empty, add now Trader Score: (0) Join Date: Feb 2009 Location: Manchester Posts: 236 Rep Power: 3	Have a look at ur beather pipes

10-02-2010, 05:37 PM
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