deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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So far I have a 100% original 2000 W Corsa B, with the rather sluggish 12v 1 litre engine in, mainly for getting to Uni and back! (Pretty good on fuel economy I must say!) When starting, the car is fine and will idle at just over 1krpm which I thought was pretty normal. However, when you pull off then stop at another junction (say traffic lights) the idle speed drops to under 1krpm, the car tends to shake a little and it sounds like a dirty diesel.
My mechanic said this is normal for the 3 cylinder engines however I can't see this if it idles nicely when you first start it up.
Any ideas really would be useful as when the idle revs are so low, trying to pull off means giving it more on the throttle and the acceleration is poor. I just wanted to get this problem (if it is one) sorted before I start playing about with it 
[Edited on 22-10-2006 by deano87]
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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I have also search the forum but haven't had much luck 
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mattk
Member
Registered: 27th Feb 06
Location: St. Helens
User status: Offline
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what rpm does your car tick over at when u say it sounds like a deisel?? cars idle faster at start up because of the auto choke, it may just need the idle speeding up
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Rob H
Member
Registered: 28th Oct 00
Location: Staffordshire Drives: Astra SRi
User status: Offline
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Sounds like a normal 1.0 to me. it'll be high revs when you first start it as said above, cause of the autochoke, and it over fuels to warm the engine up quicker, and stop it stalling as easy.
Normal idle sounds about right too, you get a bit of judder, cause it only has 3 cylinders instead of the normal 4  .
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Fonz
Premium Member
Registered: 12th May 06
Location: Newbury, Berks
User status: Offline
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i get the same problem. drops to below 500 then returns with a quick stab on the accelerator its bothered me but at same time its happened since i had it so assume it normal
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deano87
Member
Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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quote:
Originally posted by sthelensr.l.f.c
what rpm does your car tick over at when u say it sounds like a deisel?? cars idle faster at start up because of the auto choke, it may just need the idle speeding up
At about 800 to 900rpm - I only thought there was a problem because the car feels right at the start up idle speed and not when it is about 900rpm, I guess this is normal though.
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ed
Member
Registered: 10th Sep 03
User status: Offline
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It's probably because of under bonnet temps. My car does it too and I think it's just until it gets a bit of cold air in it.
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