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2018 Convention Presentation
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 Selective Catalyst Reduction (SCR) System Diagnostics
 Thursday, August 8 • 8:00 a.m. - 9:30 a.m.

Exhaust gas after-treatment systems are an integral part of today’s common rail diesel vehicles and understanding how to diagnose and service these systems are critical for optimal vehicle operation. In order to reduce Nitrogen-oxide (NOx) output, many vehicle manufacturers have elected to utilize a Selective Catalyst Reduction (SCR) system. This seminar, sponsored by Bosch will provide the information needed to understand and diagnose passenger car and heavy-duty diesel Denoxtronic systems.

Topics Covered:

  • Overview of after-treatment system components
  • Review of SCR DeNOx theory of operation
  • Denoxtronic 3.1 passenger car system overview
  • Denoxtronic 2.2 heavy commercial and off highway system overview
  • Review diagnostic and service procedures
  • What tools are needed to service SCR systems

Bob Pattengale
Bob Pattengale is the National Training Manager for Robert Bosch, LLC in North America. Bob has over 35 years of automotive experience with stops at OE Dealerships, independent repair shops, technician training and equipment sales.  Bob is a contributing writer for Motor Magazine. Bob also served as the SAE Service Technician’s Society President in 2001 and 2002.