The diagnostic connector x11 on the left fender only gives duty-cylce codes and will read right when the system is right.
The diagnostic connector x92 on the right side will give engine codes through pin #3. Look at the DIY article "Evaluating engine controls" to see how to read both style codes and how to erase impulse codes.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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