Jaguar Land Rover Must Face Diesel Exhaust Filter Defect Suit

Jaguar Land Rover North America LLC must keep defending against a proposed class suit alleging it failed to disclose flaws in the exhaust filter of diesel-powered Range Rover vehicles, a federal court in New Jersey said.

Daoud Shaaya and Mark Freiburghouse allege that the vehicles’ diesel particulate filter is prone to clogging under normal driving conditions and that a warning light—which indicates when to begin a filter-cleaning process that prevents clogging—goes on too late or not at all.

The clogged exhaust can cause engine failure, posing major safety risks, they said. They seek to represent a class of drivers of ...