topshot_2k
Banned
Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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right, engine has been idling erraticlly recently revs at 2000rpm all the time when warm, but no ECU light on.
So ive changed ICV for a working but used one, checked inlet (using WD40 and listened for revs to rise but nothing!)
Got a new Coolant Temp Sensor today and fitted it, was fine for 5mins then revs started to creep up slowly.
and the ECU light flickers on and off but no fault code stored!!!
What else could it be/could i try?
would Throttle position sensor cause this? MAP sensor?
need some help ASAP as its unsafe to drive as im constantly fighting engine to slow down  
[Edited on 06-01-2005 by topshot_2k]
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topshot_2k
Banned
Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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anyone?
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ffls
Member
Registered: 29th May 02
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You are having a bad time
Try first the TPS or throttle linkage
See if you don't have a leak in the manifold or broken hose (
air Leak)
Then MAP sensor
You must be patient
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ffls
Member
Registered: 29th May 02
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Another tip:
See if you have good conection of coolant temperature sensor, mine was erratic, and the car worked as a pig
Just touching the socket put the car allright...urgh!!!!!!!!!!!!!1
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topshot_2k
Banned
Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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cool thanks mate, going to give throttle position sensor ago saturday. im pretty sure theres no air leak tho'.
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topshot_2k
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Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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anyone else got any ideas?
i had a fualt code showing Air Idle Control Valve but i have swapped it for new one and now i have no fault code but it revs erraticly
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topshot_2k
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Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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up
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gsi-gaz
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Registered: 23rd Mar 03
Location: st helens
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still think air leak, try sprayin some of that fault finding lubricant (cant remember the name) near the inlet manifold gasket area mate, deffo sounds like an air leak
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topshot_2k
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Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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cool ok mate,
anyobody no where/what this 'fault finding' fluid is so i can give it ago?
cheers
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Rileysport
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Registered: 18th Jun 04
Location: West Yorkshire
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it is just wd40 
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topshot_2k
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Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
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ive done that already but was not very effective.
decided im going to:
replace TP sensor
new ICV
take off velos and renew all gaskets
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ffls
Member
Registered: 29th May 02
User status: Offline
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did you reset the ECU after your experiments?
Air leak gave TPS broken hose (code66) in my car and it was a leak in a hose (the one that was used to connect the alterpower.
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topshot_2k
Banned
Registered: 1st Dec 03
Location: Northampton Drives: Pug GTi-6
User status: Offline
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yep reset it after all changes. but it only happens when its hot so it must be something to do with temperature of engine?
if it was air leak it would do it all the time
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