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MB 280SE ECU bypass/repair
Hello!
My mechanic friend and I are restoring an 1980 Mercedes 280SE. Only 22000 km but 10 years left to rot with gasoline in it. The ECU seems to be faulty. The motor cuts out while running and sometimes wont start. Ive heard its possible to bypass the ECU effectively taking it out of the car and out of the equation. Is this recomendable? What forseeable consequences are there? How is it done? Ive also seen a few companies on the web who repair ECUs. Does anyone have experience of this? Thank you very much for you attention, all help is greatly appreciated!!! |
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The ECU is Bosch part number 0 265 101 006
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Not really related but I was doing a remote start install on a 560SEL. I remove the ECU to run a wire and forgot to hook it back up when I was testing the remote start. After a few times the car started up. LOL. But that was a 89-560SEL, I would wager that the 80-280SE is much different electronically.
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k |
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ECU
In the event that the fuel system is K-Lambda, the "ECU" is the Lambda Control Unit, which delivers a varying frequency pulse to the Frequency Valve. That valve controls flow of return fuel in response to exhaust oxygen content, and hence is a mixture control. Operating without the "ECU" will put the system in an open loop condition, and the mixture will be on the rich side of stochiometric.
I gather that you are outside the US; the US part# is 0 280 800 013. |
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