Mercedes Benz repair: 1995 e320 check engine light, coolant temperature sensor, mass air flow sensor

Question
the car will surge at idle sets code 4,8,10 replaced engine harness 6 months ago ovp relay and throstle assy.If you have a code list it would be helpful.

Answer
Answer:
Please read this thread, and his website.
http://pages.prodigy.net/jforgione/MB_DM.html

4 Air injection inoperative    Test LH-SFI unit

8 Engine coolant temperature sensor, open/short   Test LH-SFI unit

10 Voltage at mass air flow sensor too high/low   Test LH-SFI unit


http://pages.prodigy.net/jforgione/MB_S500.html