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bobbber
P4
Joined: 14 May 2003
Posts: 2162
Location: The Greatest Town on Earth - Swadlincote, UK
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 Posted: Tue Oct 18, 2005 9:42 am Post subject: Ever increasing circles??? No! - Ever decreasing Idle...! |
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Hi,
Over the past year or so, the idle on my 33 1.7IE has been decreasing. I reckon at the start it idled at around 900rpm... but now it's down to the point where it ALMOST stalls when at idle.
Does anyone have any ideas?
I have good spark, clean oil vapour thing, no leaks downstream of the AFM. I had a cut in the Corrugated Sleeve (large tube between the AFM and the Throttle Body). I replaced this - but has made little effect.
Where should I look next?
Thanks!
Rob
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Fiat Bravo 165 Sport |
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gritsop
Green Cloverleaf
Joined: 23 Apr 2003
Posts: 766
Location: Ekali, Athens - Greece
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| Posted: Tue Oct 18, 2005 11:46 am Post subject: |
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Hi,
I would suggest to check the tightness of hoses connected to the intake. Check the idle hose in the front of the manifold and also the small nylon hose under the throttle which connects to the distributor.
Another reason can be your servo connection or even the servo itself. It may be a faulty hose that the engine sucks in air which is of course not metered by Jetronic.
Just an idea.
Regards,
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Thanassis Gritsopoulos
1991 Alfa 33 1.4 IE
2001 Alfa 147 1.6 Distinctive
http://www.alfa-restoration.co.uk
Parts Shop: www.alfa-restoration.co.uk/shop |
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bobbber
P4
Joined: 14 May 2003
Posts: 2162
Location: The Greatest Town on Earth - Swadlincote, UK
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| Posted: Tue Oct 18, 2005 1:33 pm Post subject: |
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That's what I thought - I had a look round, and all seems ok. Time for the water tests methinks! 
Cheerz,
Bob
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Fiat Bravo 165 Sport |
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