Recent changes in state I/M (Inspection/Maintenance) programs have significantly changed diagnosis and repair procedures. For many states, electronic engine controls require some form of loaded-mode I/M test. The static tests developed in the 1970s for carburetors and points/condenser ignition do not satisfactorily differentiate between modern clean and dirty cars. Many states are taking different approaches to I/M technician training, and individual states are redefining a “qualified service technician”.Such programs with overlaps have serious implications for technician training, OEM and aftermarket, with probable state/state variationsInevitable future changes in engine-management technology, state I/M programs, and vehicle fuels require a flexible dynamic approach to training and certification of technicians.What each technician understands about the “I”--and can successfully troubleshoot and repair the “M”-will be vital to cleaner air and the future image of the service/repair industry.
Changing I/M Performance Objectives
Sae Technical Papers
SAE International Congress and Exposition ; 1997
24.02.1997
Aufsatz (Konferenz)
Englisch
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