First check if there is an O2 sensor. No O2 sensor means K-jet.

If it has a sensor then look at the fuel distributer and see if there is an EHA on it. If so it is KE. To verify K-jet w/lambda one must be able to recognize a frequency valve.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician