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Author probems car cut out
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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7th Aug 07 at 19:22   View User's Profile U2U Member Reply With Quote
i was drivin along at 30mph in 3rd and when i went to put my foot on the throttle a little bit it seemed to judder like there was power then no power etc.

got to some traffic lights and the revs just went allthe way to zero and cut out, tried to start it again and it wouldnt, needed to put my foot on accelerator to get it up to bout 3000 rpm before it would start but then it would just go straight back down and cut out when i took my foot off the accelerator.

some passer by pushed to the side of the road thankfully because i felt like a knob in the middle of a junction hahaha

then it started as normal agian lol.

just happened again, i can hold the clutch in and the revs stay but as soon as i bring the clutch up the revs die??

anyideas??

[Edited on 07-08-2007 by eastend]
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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7th Aug 07 at 22:57   View User's Profile U2U Member Reply With Quote
there is also a sort of whistle noise when i accellerate

forgot to say i have a corsa sport 1.4 16v (x14xe) with inlet, bmc cda and a decat

[Edited on 07-08-2007 by eastend]
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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7th Aug 07 at 23:34   View User's Profile U2U Member Reply With Quote
Sounds like idle valve is not opening, is the ecu light on?

Whistling sounds like an air leak. Spray carb cleaner around inlet gaskets etc, see if the revs drop.
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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7th Aug 07 at 23:37   View User's Profile U2U Member Reply With Quote
didnt notice any lights on, only when it cut out??
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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7th Aug 07 at 23:44   View User's Profile U2U Member Reply With Quote
Worth removing the idle valve and cleaning it, seeing as its easy to get to with a inlet box fitted.
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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7th Aug 07 at 23:45   View User's Profile U2U Member Reply With Quote
ok well i dont know anything lol

so what do i have to remove and clean, what does it look like, where is it lol how do i remove it??
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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8th Aug 07 at 00:18   View User's Profile U2U Member Reply With Quote
thansk for help mate, i have found out tht the icv is on the throttle body and has a 4 pin connector, i shall find it lol
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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8th Aug 07 at 10:04   View User's Profile U2U Member Reply With Quote
dont seem to be able to get to my icv to take it off and clean it, is there any way i can??
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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8th Aug 07 at 10:21   View User's Profile U2U Member Reply With Quote
is there anyway of taking it off without taking the whole throttle body off??

also what else can i use other than carb cleaner to check the inlet for an air leak, any household products??

[Edited on 08-08-2007 by eastend]
Chiggs1989
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Registered: 7th Aug 06
Location: Dover, Kent
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8th Aug 07 at 18:26   View User's Profile U2U Member Reply With Quote
egr valve!
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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8th Aug 07 at 18:27   View User's Profile U2U Member Reply With Quote
wat about the egr valve
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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9th Aug 07 at 00:41   View User's Profile U2U Member Reply With Quote
right happened again just now. try and describe a bit more.

wen im going along at say 30mph and i put my clutch right down, the revs should drop to bout 900 but they will not go lower than 1800rpm/2000rpm.

then when i stop say at some lights with the clutch in the revs stay highish as soon as i try to lift the revs by giving some accellerator the revs die and only go back up when taking foot off accelerator. also if i try to lift the clutch the revs die and the only way to stop it cutting out is to put the clutch back down.

after a while it starts workin again.

please help anyone??
Butler
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Registered: 2nd Jun 05
Location: London
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9th Aug 07 at 01:41   View User's Profile U2U Member Reply With Quote
MAF/MAP sensor fault? Air leak in the vacuum pipe is likely if there is one. I wish I was better clued up about vaux engines.

The ICV would explain the cutting out but the power loss and juddering sounds like a dodgy air/fuel ratio which would indicate to me a faulty sensor on the inlet or an air leak after the MAF/MAP sensor. Just a guess.
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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9th Aug 07 at 01:45   View User's Profile U2U Member Reply With Quote
yeh forgot to say my car has been smelling of petrol strongly recently whilst running!!
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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9th Aug 07 at 08:24   View User's Profile U2U Member Reply With Quote
anyone?
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
User status: Offline
9th Aug 07 at 15:44   View User's Profile U2U Member Reply With Quote
always idlin up around 1500 or over now?? need to get this sorted asap
mattk
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Registered: 27th Feb 06
Location: St. Helens
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9th Aug 07 at 16:05   View User's Profile U2U Member Reply With Quote
Lambda sensor? thats sorts the fueling amd could be the root of the smelling of pertrol problem,

will be some funking stupid sensor somewhere
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline
9th Aug 07 at 16:20   View User's Profile U2U Member Reply With Quote
Lambda wont cause a high idle.

Its either the idle valve jammed open, or a air leak somewhere letting air in.
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
User status: Offline
9th Aug 07 at 23:00   View User's Profile U2U Member Reply With Quote
on start up the revs will be fighting to stay high enough (around 500rpm) so it doesnt cut out which sometimes it does and other times it start to rev and go up to 1500 and idle there , also exhaust pops lots.

im really concindering taking it to the garage tomorrow now, what do u wreckon??
Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
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10th Aug 07 at 00:08   View User's Profile U2U Member Reply With Quote
Idle valve.
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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10th Aug 07 at 00:10   View User's Profile U2U Member Reply With Quote
so i need to clean it, is their anyway i can get to it without taking the throttle body off, you can see it in the pic above>??
flybikeslee
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Registered: 2nd Jan 07
Location: Liverpool
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10th Aug 07 at 00:15   View User's Profile U2U Member Reply With Quote
mine did this for a while not so long back, tried to taking it easy approach but never worked, my EGR valve was playing up at the time so dont know if it was related?! i took it for a good thrashing and it cleared up

also check the wires going to your map sensor, may have snapped one.
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
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10th Aug 07 at 10:44   View User's Profile U2U Member Reply With Quote
if i take it down the garage today and it is the icv, how much do you wreckon it could cost to fix??
GazsSRI
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Registered: 9th Aug 07
Location: Widnes, Cheshire
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10th Aug 07 at 10:47   View User's Profile U2U Member Reply With Quote
alright m8 am havin the same prob, what year n litre is ya corsa
eastend
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Registered: 13th Mar 07
Location: Taunton, Somerset
User status: Offline
10th Aug 07 at 10:49   View User's Profile U2U Member Reply With Quote
its bloddy annoyin lol 1.4 16v 1998 corsa sport. you??

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