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#1
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Does anyone know the location of the Lambda (O2) control module on a European 84 500 SEL???
Your help is greatly appreciated!!!! Thank you Matt |
#2
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Well MB didn't put one in, so if its there I would follow the wire from the O2 sensor.
__________________
Steve Brotherton Continental Imports Gainesville FL Bosch Master, ASE Master, L1 33 years MB technician |
#3
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But, but, but????? There is an O2 sensor in the left exhaust pipe about 6 inches downstream of the manifold.... the wire is routed along the firewall and terminates under the fuse box... goes to nothing... (has been cut). If there is no control unit, why is there an O2 sensor? Did someone install american exhaust? I sure wish I could find some manuals for this euro car. This is my first MB and I love it, but it is tough to work on without wiring diagrams!!! Anyone have any more info for me???
Thanks again! Matt |
#4
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The 84 Euro 500SEL is simple K-jet similar to US models 450 from 76-79. System manuals for these cars will explain the system. The only electrical for the fuel system is the fuel pump, warm-up regulator heater and the cold start valve. Very simple from that stand point.
Cars brought into the US were either modified to meet EPA standards or were exempted under the "service person exemption". This exemption allowed military people to bring home a car that they owned while stationed abroad. These cars still had to be modified to DOT standards but could be exempted from EPA regs. These cars had to be 5 years old before shipment. Since the whole grey market thing ended in about 86 or 87 a 84 model likely had EPA mods. If you have no emission testing in your area I would make the car run as it was designed. If you have testing....move, or sell the car.
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Steve Brotherton Continental Imports Gainesville FL Bosch Master, ASE Master, L1 33 years MB technician |
#5
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Steve,
Thank you very much for clearing this up for me... I really do appreciate it! I have no emissions testing in this county as of yet and I love the car so I think I will make it run as it was designed. Thanks again for the information Steve. Respectfully, Matt |
#6
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500sel
I have a US 500sel, the shop manual tells you how to remove and replace o2 and then says, remove light bulb. It soes say why but there is a idiot light on the dash far right. Could this be your cut wire?
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#7
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Nope Bruce,
The cut wire was from the O2 sensor itself, I traced it. I think Steve cleared it up with his explanation on the Euro (grey market) situation. In fact, my car does not even have an O2 or check engine light on the instrument panel Many thanks to Steve and all of you here at the Mercedes shop, I am truly greatful Matt |
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