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B210sleeper
Re: Strange Weber Idling Pattern
#4
No life (a.k.a. DattoMaster)
Joined:
2003/12/3 0:49
From Burbank, CA
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it's probably not the idle air correctors, if it were those it wouldn't vary.

First use a can of carb cleaner and spray around the outside of the carb and see if the idle changes, that will tell you if you have a vacuum leak ( most likley )

Posted on: 2005/9/15 6:51
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Frodaddy
Re: Strange Weber Idling Pattern
#3
Home away from home
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2003/5/4 9:13
From Christchurch, New Zealand
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Pretty sure the shaft had no play when I put it on. Will check again though. After doing some reading it might be the Idle Air Correctors which i did not know about.

Posted on: 2005/9/15 5:38
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1972 Datsun 1200 Coupe
Rosso Corsa Red
14" Watanabes
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Extractors w/ 2" exhaust and muffler
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Cable_Tie
Re: Strange Weber Idling Pattern
#2
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Primary throttle shaft. On the accelerator cable end, can you move it up and down?

This creates an airleak. Could also be a sticky float/needle and seat.

Could be something else. . .

Posted on: 2005/9/15 2:16
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Frodaddy
Strange Weber Idling Pattern
#1
Home away from home
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2003/5/4 9:13
From Christchurch, New Zealand
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I am in the process of trying to get another old Weber 32/36 running on the A12 and have come across an interesting symptom I cannot solve. When idling the car idles anywhere from 500-1500 then 1000-2000 then 200-1200 in a repetitive circuit style fashion. What could be causing this and why will it not idle constant?
Thanks
Brock

Posted on: 2005/9/15 1:25
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1972 Datsun 1200 Coupe
Rosso Corsa Red
14" Watanabes
Twin 1.5" SUs to go on
Extractors w/ 2" exhaust and muffler
Sony Xplod Sounds featuring Active Black Panel, 4 Channel Amp, 4 way 6x9s & 12" Sub
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