View Full Version : mercedes class 2l petrol

15th December, 2014, 01:57 PM
i have a 2 l c class engine i chech wires from ecu to lambda probe, i replace it whit a genuine oane and i am stil having p2022 eror front lambda probe preheating circuit, i have read 29f400 ecu flash, can somewoane help me please to erase the code from dtc table?290809 ecu is5wk90419