donissam

hello every body , i own W124 E 280 1994, i have a problem in the car , the rpm is not stable i change the O2 sensor still the same problrm , one technician told me it is the air mass problem..pleae help me thank you

PappaG71281

I'm having a similar problem with my 1994 E420. The RPM's are surging between 500-1000 during idle and make it difficult to drive the car. Let me know what you found. Thanks.

geosss

hey guys i had a similar problem took it to a mercedes dealer and it was the vacum lines
u might look into thay one

Siimpexp

i own W124 E 280 1993,i have a problem in the car , the rpm is not stable please help me or anyone know how to fix it, thank a lot

nseibert

It may be the wiring of the Throttle Actuator?????
Check this:
http://www.restoreyourmercedes.com/
there are some tips on what to look for....