SilverCL600

How much resistance do I need to give the ecu harness for the rear o2 sensors to keep the ecu happy?

European 1997 S/CL600 6.0l V12

Thanks

E55 PWR

just get some O2 similuators, they are cheap and easy to intall. Like $140 for the set or something.

whoover

A resistive load will only simulate the heater. The O2 signal steps above and below .5V every 3 seconds or so. You need to provide both to the ECU to avoid the CEL. That's why they sell simulators.

Or you can build one:

http://www.mkiv.com/techarticles/oxy...tor/index.html

SilverCL600

Thanks for the helpful website! I will build a couple

mikekuriger

o2 spacers work very well in many applications as well.

Mike