displaying posts 1 to 17 of 17

Author Subject: Odd idle
Ashman

Junior User

Location: Nottingham

Registered: 27 Feb 2012

Posts: 54

Status: Offline

Post #1
Right, could I please ask for some advice. My car idles odd, it bounces on the idle from 500/750rpm to around 1200rpm and then cuts out sometimes. Doesn't seem to do it when cold but as it warms up it starts to do it. Any ideas what this could be?
Cheers in advance, Tom
Posted 8th May 2012 at 09:22
webster

Seasoned Pro

Location: Colchester

Registered: 20 May 2007

Posts: 2,059

Status: Offline

Post #2
ICV? Worth cleaning perhaps.

________________________________________

cress87 wrote:
I'm stopped for speeding on a daily basis but now the police are aware that I live for the 306 they dare not interfere, just sit in their cars quaking as I drive past.
Posted 8th May 2012 at 09:47
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #3
Definitely the ICV needs cleaning...Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 8th May 2012 at 09:55
woody.

Senior User

Location: London

Registered: 18 May 2009

Posts: 799

Status: Offline

Post #4
Or replace the ICV. When I cleaned mine it lasted for a month or so until it started messing around again. Get a new one from GSF or your local motor factors. The genuine items are bosch so anywhere that stocks bosch should be able to get one for around £60-£70.
Posted 8th May 2012 at 09:57
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #5
The genuine items are Magneti Marelli. Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 8th May 2012 at 10:30
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline

Post #6
Could be a number of things, I wouldn't replace anything before checking out the testing sensors FAQ and cracking out your multimeter.

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Bring on the Trumpets.

Posted 8th May 2012 at 10:37
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #7
This is the reason I suggested cleaning the ICV first. If it works for a short while then happens again you know to go and buy a new one. If you just buy a new one and it turns out not to be that, it's a waste of money.

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 8th May 2012 at 10:43
woody.

Senior User

Location: London

Registered: 18 May 2009

Posts: 799

Status: Offline

Post #8
stan_306gti6 wrote:
The genuine items are Magneti Marelli. Yes


Had a dumb moment there Doh I was thinking of the lambda sensor! Ignore the above comment LOL
Posted 8th May 2012 at 11:27
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #9
LOL @ Woody!

You may be able to find a factors that can supply Magneti Marelli items instead of being ripped off at Pug...
Best thing to do is try a clean before purchasing anything though. There is an FAQ on here which shows you how to do it. Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 8th May 2012 at 11:50
Ashman

Junior User

Location: Nottingham

Registered: 27 Feb 2012

Posts: 54

Status: Offline

Post #10
Ok thanks guys. Will definately have a try of that. I heard I need to reset the ECU. I take it I just leave the battery disconnected for half hour or so?
Posted 8th May 2012 at 16:45
russbez

Seasoned Pro

Location: Inverness-Shire

Registered: 19 Dec 2005

Posts: 7,459

Status: Offline

Post #11
god what ever you do dont buy cheap eGay ones LOL

done that a few years back and lasted about 6 month

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My Rallye project thread
Posted 8th May 2012 at 16:53
Ashman

Junior User

Location: Nottingham

Registered: 27 Feb 2012

Posts: 54

Status: Offline

Post #12
Haha I will make sure I don't. Does rhe housing around the ICV ever get clogged up too? Would it be worthwile cleaning that while I'm there too?
Posted 8th May 2012 at 17:32
Ashman

Junior User

Location: Nottingham

Registered: 27 Feb 2012

Posts: 54

Status: Offline

Post #13
I've tried cleaning my ICV now as well as swapping it for a "known worker" an still no luck. I have been told it could be TPS, so I change that but with no luck. Also water temp sensor, and all the vacuum hoses are fine. Any more ideas? Maybe Lambda sensor? It does seem to be running rich. But I don't know if this would affect the idle? Maybe somethinf else on the throttle body?
I really am stumped with this now and it's really starting to p**s me off so any more help would be greatly appreciated. Thanks guys
Posted 22nd May 2012 at 23:30
woody.

Senior User

Location: London

Registered: 18 May 2009

Posts: 799

Status: Offline

Post #14
Try testing the MAP sensor mate. I think everyone has had idle problems in the past, a gti6 trait! Have a look here:

http://www.306gti6.com/forum/showthread.php?id=80340
Posted 23rd May 2012 at 00:52
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #15
Here's what you need to try:

Disconnect the lambda sensor and see if the problem goes away. If it does, then buy a new lambda, as you say it's probably on it's way out if the car is drinking more fuel than normal. If it doesn't work then try this:

There is a power steering sensor at the front of the engine just below the inlet manifold. It is blue in colour and is situated in the middle of the high pressure steering pipe. Unplug this sensor and see what results you get. If this works, you will need a new one of these sensors. This sensor's function is to determine how much load there is on the steering when the vehicle is idling, and to up the idle if need be. They have been know to fail regularly. Yes

Hope this helps,

Stan. Smile

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 23rd May 2012 at 06:33
Ashman

Junior User

Location: Nottingham

Registered: 27 Feb 2012

Posts: 54

Status: Offline

Post #16
Ok cheers guys. I'll try these And let you know how I get on
Posted 23rd May 2012 at 09:45
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #17
Thumbs up

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 23rd May 2012 at 12:02

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