Fiat-Chrysler has been accused of calling the 2.4L Tigershark engine's agressive oil consumption "normal" in order to avoid having to recall millions of vehicles.
A new lawsuit says a defect in that engine's piston rings allows oil to enter the combustion chamber. That leads to roughly a quart of oil burning off every 1,000 miles. If an owner follows the recommended 4,000 mile oil change interval, it puts them at extreme risk of permanently damaging the engine.…
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