Two critical elements that need to be checked out at 100,000 miles are the EGR valve and the DPF. Hasten says to run a computerized flow test on the DPF filter tol show if the filter in the exhaust ...

TORONTO, Ont. — As long as there have been pollution controls on engines, someone has tried to mess with them, either by removing, bypassing or modifying components. With all the distrust over newer ...

Manufacturers are busy rolling out solutions to meet Final Tier 4 off-road requirements for diesel engine exhaust emissions, and the technologies look very familiar to those already in use in the ...