ETS = ETM ? Topic is solved

[George gannon]

My C70 has 60,000 just did air filter plugs serpintine belt & break pads. It is hesitating and surging (very slightly) also the ETS light has come on.As the book says I have turned it off and restarted but two days later it came on again. When light is on it realy runs [email protected]
any ideas and is the ETS & the ETM the same and if so how do I clean it and how do I replace. I do most of my one work.