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Weld Bungs

The DPF (Diesel Particulate Filter) and DOC (Diesel Oxidation Catalyst) are some of the most expensive parts of your emissions system, so when one of your sensors gets stuck in its housing or breaks off, replacing the entire unit is a big expense.

  • Steve Hoke

DPF DOC

With all the focus on DPFs, the DOC is often forgotten as a part of your aftertreatment system. The DOC is the first line of defense against harmful chemicals in diesel engine exhaust, and it should be cared for and maintained just like the rest of your truck's emissions system. 
  • Steve Hoke

EGT Sensors

When most people think about diesel emissions on modern diesel engines, they think about diesel particulate filters, diesel oxidation catalysts, or the selective catalytic reduction.
  • Steve Hoke

DPF 101

Vehicle owners of medium and heavy-duty trucks with diesel engines are spending thousands of dollars replacing Diesel Particulates Filters and getting their trucks serviced at truck dealerships when their trucks break...
  • Steve Hoke

Nox Sensor

When a nitrogen oxide sensor fails on a truck with a diesel engine, bad things start to happen. The motor may begin to run rough and fuel consumption can drastically increase. Next, the motor may go into derate, or “limp mode,” and finally...
  • Steve Hoke

What You Need to Know About Aftertreatment Maintenance

Fleets of commercial trucks and owner-operators have been struggling to maintain and repair aftertreatment systems for over 15-years. It has been a source of frustration and a financial burden...

  • David Crognale