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WESTAR Mobile Sources Committee Consumer Modifications to Light Duty Diesels. The Issue: Many light duty diesel truck owners are modifying their engines, leading to increased emissions from these vehicles.
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The Issue: Many light duty diesel truck owners are modifying their engines, leading to increased emissions from these vehicles
“Tampering” is removing, bypassing, defeating or making inoperable any device or element of design used to control emissions from a motor vehicle engine.
Section 203 (a) (3) A & B of the CAA of 1990
Some modifications can increase performance with little or no increase in emissions
These modifications may or may not constitute tampering under the CAA of 1990
“Tuners” and “Downloaders” are used to reprogram factory engine and transmission settings, which can have an immediate effect on tailpipe emissions
Adjustable Tuner Modules allow the driver to select a power setting while behind the wheel
Using factory-style connections in just ten minutes you can add five levels of adjustable power ranging from 40 to 100 horsepower and increase torque up to 250 ft. lbs.
Federal Emissions Standards
Hot/Cold Weather Drivability
Changing Factory Settings Upsets This Balance!
Diesel Enthusiast’s Club
All Banks truck and RV Power and Braking Systems product is emissions tested, and complies with California and federal emissions standards. Depending on the Banks system that is installed, your vehicle may be covered under a California Air Resources Board Executive Orders (CARB E.O.).These are issued after meeting the test criteria set forth by CARB for aftermarket product on over-the-road vehicles. Although there are a few companies that follow this procedure for gasoline applications, there are far fewer companies compliant in the diesel aftermarket.Banks Racing products may or may not be emissions compliant on all vehicles in all states.
When asked about the extent of tampering going on in gasoline-powered vehicles, an EPA official stated:
“We have not determined how big an issue this is … we have it on our list of things to investigate further”
EPA went on to say that they have an enforcement group that looks into cases of equipment suppliers offering products that affect emissions systems
From a policy standpoint, almost no one will acknowledge there is a problem or is willing to address the issue.
Have EPA assess the scope and impact of all vehicle tampering; on both diesel and gasoline engines
We should be concerned over the consumer’s relative lack of concern over compromising vehicle emission control systems
We need to do a better job of conveying the value of emissions systems to the consumer
As well as do a better job of enforcement of tampering regulations at both the national (retailer) and local (emission tester) levels