Idle Control valve Problems - Engines Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: Idle Control valve Problems

rudolf

Seasoned Pro

Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

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Post #1

My ICV started to give various problems such as low idle, hunting, etc. I cleaned it and it now just idles low.

I cleaned a spare and fitted but that just idles at 3.5K until I blip the throttle. it then hunts between 1-2k.

Both resistances test correctly. Do you think I should try to clean ultrasonically using alcohol?

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Posted 22nd Mar 2016 at 23:08

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mocinim

Seasoned Pro

Location: The Darkside of bedford :)

Registered: 09 Jan 2015

Posts: 2,307

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Post #2

No reset the ecu after fitting the new one its not uncommon for the icv to idle incorrectly after fitting until correctly reset

Unplugging the battery and reconnecting is not a reset cant remember the sequence atm but its fairly easily available

Smile

if you can get it plugged in for a full system reset is the best way but not essential

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Posted 22nd Mar 2016 at 23:16

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rudolf

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Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

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Post #3

mocinim wrote:

if you can get it plugged in for a full system reset is the best way but not essential

I did a full ECU reset twice, once with each cleaned ICV.

________________________________________

S Reg Diablo standardsSpec SORNED
R Reg Nile standard spec written off then repaired
X Reg Astor in need of TLC
R Reg Nile to restore
Set of Lions to fit.

Posted 22nd Mar 2016 at 23:40

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marco gti6

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Location: Troisvierges

Registered: 09 Mar 2009

Posts: 1,350

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Post #4

Did you leave the battery disconnected for at least 15 minutes?

Posted 23rd Mar 2016 at 07:28

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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

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Post #5

cleaning never does much tbh, just fit a new one.

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Posted 23rd Mar 2016 at 07:59

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rudolf

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Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

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Post #6

marco gti6 wrote:

Did you leave the battery disconnected for at least 15 minutes?

Yes, left it disconnected while I removed, cleaned and refitted it.

________________________________________

S Reg Diablo standardsSpec SORNED
R Reg Nile standard spec written off then repaired
X Reg Astor in need of TLC
R Reg Nile to restore
Set of Lions to fit.

Posted 23rd Mar 2016 at 08:27

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mocinim

Seasoned Pro

Location: The Darkside of bedford :)

Registered: 09 Jan 2015

Posts: 2,307

Status: Offline

Post #7

A new one it is then bud

Best to use a magnetti chap

________________________________________

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WHITE RALLYE - valliant

http://public.servicebox.peugeot.com/

https://www.gov.uk/check-mot-history

Posted 23rd Mar 2016 at 09:05

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jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

Status: Offline

Post #8

welshpug! wrote:

cleaning never does much tbh, just fit a new one.

As welshpug says, save urself the heartache and buy a new one, even if it works ok after cleaning it will fail soon.

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Posted 23rd Mar 2016 at 12:19

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rudolf

Seasoned Pro

Location: Skelmersdale

Registered: 07 Apr 2004

Posts: 2,769

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Post #9

jeffers wrote:

welshpug! wrote:

cleaning never does much tbh, just fit a new one.

As welshpug says, save urself the heartache and buy a new one, even if it works ok after cleaning it will fail soon.

I cleaned it ultrasonically and the revs still rise to 4000 and only lower when I blip the throttle resulting in it hunting between 1-2k. I got a new one from GSF and that does the same too. Strangely, unplugging any injector also makes the revs rise to 4k.

________________________________________

S Reg Diablo standardsSpec SORNED
R Reg Nile standard spec written off then repaired
X Reg Astor in need of TLC
R Reg Nile to restore
Set of Lions to fit.

Posted 25th Mar 2016 at 23:20

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cully

Seasoned Pro

Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,093

Status: Offline

Post #10

check the butterfly is not loose on the spindle

Posted 26th Mar 2016 at 00:07

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