Hi,
Here are the code descriptions for a 201 - 93 190e 2.3 4cyl. Hope this helps

1 No fault found
2 Throttle position switch - wide open throttle fault
3 Engine coolant temperature sensor
4 Air flow sensor position indicator
5 Oxygen sensor
6 Not used
7 TD-signal (rpm)
8 Altitude correction capsule
9 Electronic hydraulic actuator (EHA)
10 Throttle position switch - closed throttle position fault (idle)
12 Exhaust gas recirculation temperature sensor


smk_texas