This DEF sensor can shut down diesel engines even due to faulty readings, prompting the EPA to remove it as a requirement.

Abstract: A relaxation of the general infinite horizon sensor scheduling problem for state estimation in linear time-invariant systems is presented. The optimal schedule is assumed to be periodic, and ...

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a faulty ...

The article outlines how sensor failures, turbocharger issues, fuel system problems, and DEF system faults trigger limp mode during heavy-duty use. Why do diesel trucks suddenly lose power and enter ...

A car that struggles to start (especially in cold conditions or after sitting) often points to issues beyond the usual ...

Abstract: This paper gives an overview on the system development of a wireless surface acoustic wave (SAW) temperature measurement application in high-speed high-voltage motors. The measurement ...

When drivers notice something unusual and start searching for auto repair near me, they are often already experiencing symptoms that require proper diagnosis.

Austin Turner is a web producer at CBS News Los Angeles. An Inland Empire native, Austin earned a degree in journalism from San Jose State University in 2020. Before joining CBS News in 2025, he ...