Omega B
Motronic M 1.5.4 System Modification F7: PROGRAMMING
VARIANT CODING
Note: As there is only one control unit type available for both the X 20 SE engine (closed loop oxygen sensor circuit) and the 20 SE engine (open loop oxygen sensor circuit), the control unit must be reprogrammed on installation or when transferred to a different vehicle. The programming specifies whether the engine is equipped with a closed loop or open loop oxygen sensor circuit. This programming should be performed with TECH 1 according to the following instructions.
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