E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

W124 K-Jetronic problems

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Old Feb 26, 2008 | 02:43 AM
  #1  
kannigand's Avatar
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From: Durban, South Africa
1987 W124 230e Turbocharged - AMG KIT; 1990 500 SL; 1999 c230Kompressor Sport
Thumbs up W124 K-Jetronic problems

Greetings, can anyone please assist me in regards to the above. I have an 1987 230e w124 (the first of the w124 shape) The k-jetronic is mechanical/Electrical as you may know. I need to know the wiring for it which wires are for what and what does it do how does it affect things and how can I adjust stuff. I have read about it SO i know the theory of how it works but now i need more specifics related to my particulr model of K-jet. I know about the enrichment adjuster on the top. BUt I believe there is an air screw also for adjustment and there.
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Old Feb 26, 2008 | 11:55 AM
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hineywineries's Avatar
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From: Northern California
It changes all the time
That is not a car exported to the US so I'm not sure what system you have. Does your car have a frequency valve or electro hydraulic actuator to trim the fuel?
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Old Feb 27, 2008 | 05:17 AM
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From: Durban, South Africa
1987 W124 230e Turbocharged - AMG KIT; 1990 500 SL; 1999 c230Kompressor Sport
i Not too sure how do i tell, my guess is electro hydraulic, from what I have been told
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Old Feb 27, 2008 | 10:27 AM
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It changes all the time
About the only adjustment you can do on that system is the screw you mentioned. You should have an idle air valve that manages idle speed. What are you trying to accomplish? Are you having problems?
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Old Mar 5, 2008 | 02:23 AM
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From: Durban, South Africa
1987 W124 230e Turbocharged - AMG KIT; 1990 500 SL; 1999 c230Kompressor Sport
Its a bit heavy on gas. what happens when the engine is cold it runs all fine the minute it gets past 80degree the idle will shoot up to about 1700rpm if you drop the idle a bit then you have problems on a cold start I just feel maybe the wiring is off as someone did work on the car and I dont think the connected it all back properly. if sumone can explain what each part that that has some electrical components to it does maybe I can figure out something
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