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#1
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75 450sl (107) lopes when cold start
Hi, Car lopes when cold start but is ok when warmed up. Any suggestions?
Looked for vac leaks can't find any. Thanks all. Joe R. |
#2
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Quote:
The valve should close at about 150F and be fully open when cold. If this does not work, you can dismantle the valve and give it a more thorough cleaning. Several threads here in and in Benzworld 107 forum. This is a long one but you will find out how to dismantle fairly early on: https://www.benzworld.org/threads/aav.1592399/
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Graham 85 300D,72 350SL, 98 E320, Outback 2.5 |
#3
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AAV is correct, but the ECU cuts out the fuel at 1500 rpm I think, and then starts it up again. So maybe you can resolve the problem by tightening the idle screw a bit.
Sent from my iPhone using Tapatalk
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Past mb: '73 450sl, '81 280slc stick, '71 250, '72 250c, '70 250c, '79 280sl, '73 450sl, parted: '75 240d stick, '69 280s, '73 450slc, '72 450sl, |
#4
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Quote:
The other thing he could try (if it is still flexible enough), is to squeeze the elbow on the outlet of the AAV when car is warmed up. The idle speed should hardly change if the AAV is doing it's job and has closed. joedee, you might check out the Benzworld 107 forum. Much more active regarding 107s and djets.
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Graham 85 300D,72 350SL, 98 E320, Outback 2.5 |
#5
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450 sl lopes
HI,
Thanks for the info. Will try looking a the AAV cleaning and saee what happens. Thanks again, Joe R. |
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