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 Posted: Mon Jan 07, 2013 7:42 am |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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I thought that tick over on these was controlled by the ICV. I don't think that doing it by adjusting the throttle cable is the correct method.
It may work; good luck if it does, but I am not sure what other problems with fuel metering etc. this may cause. Possible incorrect fuelling at idle and MOT emissions failure.
If you are lucky the MAF and MAP will "see" the correct air mass, correct the mixture and give correct emissions.
Doing it this way you may as well disconnect the ICV circuit and set idle by adjusting the throttle although that would, even if it works without creating an MOT emissions failure, slightly increase fuel consumption.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Last edited by kandlbarrett on Mon Jan 07, 2013 6:51 pm; edited 1 time in total
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Posted: Mon Jan 07, 2013 10:00 am |
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Joined: Apr 19, 2012
Posts: 529
Trade Rating: 0
Location: darlington
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So why else does the cable have an adjustment feature???
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Posted: Mon Jan 07, 2013 11:16 am |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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I assume (don't know for fact) for any or all of the following reasons:-
1) To take out excess slack. A few millimetres of slack is OK but a few centimetres may not be.
2) To make sure when the pedal is on the floor it isn't trying to turn the actual throttle beyond 90 degrees.
3) To set the throttle pedal at the correct height.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Mon Jan 07, 2013 4:58 pm |
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Joined: Sep 23, 2012
Posts: 116
Trade Rating: 0
Location: Leicester
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| Tolkienfan001 wrote: |
| I would say clutch still! Might have other issues as well. |
Remember when I posted this Tolkien about my clutch..
Anyhow if there's no increase in power and your revs just build then your clutch is on its way out dont keep revving high your flywheel will be getting damaged. Thats if its slipping mine was doing it a while ago  had to get a new clutch kit fitted.
One way to test is put the handbrake on hold your clutch down put it in 3rd with a little bit of gas slowly bring clutch out if it stalls its okay if it engages then yeah it is the clutch
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Posted: Mon Jan 07, 2013 5:09 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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NayNay1991x: read the thread a new clutch has been fitted and cured that problem.
97browng: having re-read your problem I do suspect ICV is the cause of your poor idling and occasional cutting out problem. It is being sluggish to respond to the increased load on the engine. Yes just pushing the clutch pedal puts a slight additional load on it.
I do have another though but will leave that until after you have cleaned ICV / stepper motor.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Mon Jan 07, 2013 7:23 pm |
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Joined: Apr 19, 2012
Posts: 529
Trade Rating: 0
Location: darlington
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Just add the card cut outs...we need to work with facts not...im not sures etc.if this was a brand new bentley i wouldnt do it but it will not hurt the car in any noticeable way and any petrol increase would be so so so little its imeasurable...
Its short sharp runs and drives down to the shop that cause these problems...especialy with the larger 2.0litre models...they werent designed to run for a minute hear and there...
They need a good run out quite often to get everything working right ...give the bsi time to find its settings...clear out any unburnt fuel/oil on the spark plugs and stop them being choked up from overfueling on these short journeys.
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Posted: Tue Jan 08, 2013 9:59 am |
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Joined: Feb 07, 2010
Posts: 3948
Trade Rating: +7
Location: A Track near you ;)
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| bezford wrote: |
Just add the card cut outs...we need to work with facts not...im not sures etc.if this was a brand new bentley i wouldnt do it but it will not hurt the car in any noticeable way and any petrol increase would be so so so little its imeasurable...
Its short sharp runs and drives down to the shop that cause these problems...especialy with the larger 2.0litre models...they werent designed to run for a minute hear and there...
They need a good run out quite often to get everything working right ...give the bsi time to find its settings...clear out any unburnt fuel/oil on the spark plugs and stop them being choked up from overfueling on these short journeys. |
Yes we need facts, best you dont post then eh 
Check and clean the ICV and report back!
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| Renault Clio III RS - Race Car 
Renault Trafic - Daily & Tow Van
Former Poverty 206 XS 1.6Turbo Owner  | |
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Posted: Tue Mar 05, 2013 6:19 am |
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Joined: Jun 16, 2011
Posts: 34
Trade Rating: 0
Location: Cardiff
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Sorry for the very late reply. Just to let you know it was the ICV. Took it to the garage who cleaned it all for me and it is now working fine without any issues. I think it will need to be replaced in the near future but all well now.
This can be marked as solved
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