w123 mixture adjusting problem - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 08-27-2009, 05:34 AM Thread Starter
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w123 mixture adjusting problem

hi guys i have w123 m115 stromberg cd 175 when i try to lean the mixture by tightening the screw under the fuel bowl it stay rich or make a very slight change in the mixture and splutters on very low rpm i sent the car to a mechanic and he adjust it in 5 min but the acceleration is weak and again when i try to adjust it it didn't make a big difference and the screw became heavy in some turns and became ligh again so what is the problem?
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post #2 of 2 (permalink) Old 09-04-2009, 04:35 AM
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Vehicle: 2004 S500. 2000 CLK430 Cab, 1999 C43 AMG. 1999 S500. 1999 S320. 1977 230 4 spd, 1972 280SEL 4.5
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make sure that the rubber diaphram in the carb is not cracked. That will cause weak acceleration and mixture issues.

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