Idle

1999 Peugeot 406 1.8 saloon
Car: Peugeot 406
Year: 1999
Variant: 1.8 saloon
Categories: Running Rough, Starting & Power Loss
hi,i have idling problem,when engine is cold idle`s ok,but,when warm runs ok but when you stop engine races too 2000 revs,and sometimes cuts out
been told a sensor is playing up but which one?
jf
Problem added: Sep 29, 2011 (12 years ago)
Previous reply on same problem .

Peugeot 406 Errattic idling
The Problem
Car Peugeot 406 1.8 ls
Year 1999
Owner elky
Posted 23 05 2010

Ref#:
4970
The Problem

Car idles errattically tween 800 and 1700 revs when either cold or hot.Drives very well, but seems high on revs even after coming of the accelerator. have been told control valve needs cleaned, can i do this myself or is it specialised


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Solution 1
whittingehame
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Since: Oct 2009
Posts: 414 | Fixes: 5511
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Suggested Solution

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Posted on 2010 05 23

Check this out ,

Peugeot 406 petrol idle speed
9 April 2007, 10:14 PM pug1
Joined 22 Jan 2006
560 posts


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i agree with LB sounds like the idle stepper motor is sticking so i would take it out and with some carb cleaner (aero sol) and a rag clean it as its probly gunged up with crap.


peugeot 406 petrol idle speed
9 April 2007, 10:15 PM pug1
Joined 22 Jan 2006
560 posts


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i agree with LB sounds like the idle stepper motor is sticking so i would take it out and with some carb cleaner (aero sol) and a rag clean it as its probly gunged up with crap. dont go to the length i did and strip the entire intake as that takes time.


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Peugeot 406 petrol idle speed
9 April 2007, 11:10 PM
Edited by L.B. 9 April 2007, 11:11 PM L.B.
Joined 5 Dec 2005
3310 posts


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The idle speed control valve is close to the throttle butterfly on the manifold and although there is a choice of bosch and sagem injection systems for these 1.8 engines the idle speed valve is located in much the same place.
When you remove it the only thing I find thats much use for cleaning these things out well is carb cleaner, failing that if you could temporarily try one from a friend or someone you know if they had a similar car or even a scrappy one just to see if it would work, that way costs are minimised.
In my experience of cleaning out idle valves, it's really only a temporary measure as if faulty the cleanout will only delay further problems with it but it will at least let you know if it is actually the fault before parting with any money.



Answered Sep 30, 2011 (12 years ago)

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