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Industry Opinions: Maintaining New EPA Compliant Engines


Originally posted at Heavy Duty Trucking
Originally posted at Heavy Duty Trucking online.

This week at Trucking Info online, equipment editor Jim Park investigated some of the advantages and disadvantages of driving one of the newer trucks that are compliant with the 2010 EPA standards for emissions. He notes that customer satisfaction has improved from earlier engine models built to previous 2007 EPA standards, but he understands that many truckers are still extremely unsatisfied with the power, durability and cost-per-mile on newer fuel-efficient engines.

More news about EPA Fuel Efficiency Standards from CDL Life.

Here’s the first bit of the article:

You don’t have to go far to find a fleet having trouble with engines. Mostly they report emissions systems problems, not surprising given the short time the engine makers had to meet the Environmental Protection Agency’s tight timelines. To be fair, owners of diesels meeting EPA 2010 standards are reporting fewer problems than they had with the first few generations of EPA 2007-compliant engines.

In its 2012 U.S. Heavy-Duty Truck Engine and Transmission Study, J.D. Power and Associates found 46% of owners of one-model-year-old engines experienced some type of engine-related problem, up from 42% in 2011.

The most commonly reported engine problems were with the electronic control module calibration (23% of owners), exhaust gas recirculation valves (20%), and electronic engine sensors (16%). Those would be mission-critical components in many cases.

Owners of medium-duty truck engines report similar problems, according to J.D. Power’s 2012 U.S. Medium-Duty Truck Engine and Transmission Study.

Read the rest of the article on maintaining newer fuel efficient diesels at Trucking Info here.


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