FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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Car drives fine really but seems to idle a bit rough.
Now there is NO EML ON so im guessing all the sensors are ok but it seems to idle a bit lower than normal say about 700 / 800rpm and sometimes it moves up and down (nothing major like but if you look really close you can see the needle jumps up and down a few millimeters now and again)
So basicly no eml does that mean no sensors are gone?
It had new plugs and leads 2 weeks ago too and an oil and filter change.
EDIT its an x16xe corsa sport btw 
[Edited on 16-03-2009 by FruitBooTeR]
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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check for air leaks!
use break cleaner is easyist way!
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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How do you do that mate?
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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spray break cleaner around the inlet, throttel body ect the engine will start to rev high as it drawing in the flamable substance
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Gareth F
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Registered: 16th Jan 08
Location: Location Location
User status: Offline
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Ive had the same problem, needle hardly moves on the rev counter but you can feel the little jolts. Have had it with both x16xe engines ive had as soon as i put an exhaust on them 
Ive just got used to it now........
Air leaks usually caused eratic idling and sometimes stalling doesnt it?
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fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
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throttle position sensor on the side of the tb mate.
had it on my last 2 gsi's
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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Cheers guys
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1.0l12vbadboy
Member
Registered: 17th Nov 03
Location: Keighley, West Yorkshire
User status: Offline
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Idle Speed control valave. Fault code: P0505. i think
Just because the EML is not on does not mean al lthe sensors are ok.
Try unplug the Idle Speed control valave while car is running see if it drops in revs.
[Edited on 17-03-2009 by 1.0l12vbadboy]
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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Wheres that located mate?
Edit - and surly if you unplug it it will drop in revs?
[Edited on 17-03-2009 by FruitBooTeR]
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1.0l12vbadboy
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Registered: 17th Nov 03
Location: Keighley, West Yorkshire
User status: Offline
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Yeh if it drops makes a diffrance then you know its not that i.e its working properly. if its not working it wont make a dif.
Process of ilimination.
They are located in dif places on dif cars. what you drivein?
Its usually around the inlet. google it.
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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Ive got a split /crack in the exhaust somewhere in the middle section think its at the back of the middle box as you can hear it blowing on idle.
That wouldnt affect the idle would it?
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1.0l12vbadboy
Member
Registered: 17th Nov 03
Location: Keighley, West Yorkshire
User status: Offline
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Doubt it very much.
Unless this has sent your Lamba sensor crazy.
That may not be helping
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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no your exhaust will just blow, do as said above check for air leaks around the inlet throttle body area, check the mass air flow meter by restricting it with selotape, then try the throttle position sensor unplug it and see theres any change then do idle control valve, trial and error mate im having same proplems with my xe
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FruitBooTeR
Member
Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
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Thanks
how do you restrict the mass air flow meter with celotape? unplug the sensor and cover hole then see if anything changes?
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--ToM--
Member
Registered: 23rd Nov 07
Location: Wirral
User status: Offline
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dont totally cover it jus restrict the size of it go around the outside of it say it has a 3" diamater restrict it to 1.5" diamater to see if theres any difference
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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check the wires going to coolant temp sensor also relace this
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