The recall, reported earlier by Reuters, was prompted by in-use emissions investigations conducted by the Environmental Protection Agency and in-use testing by Fiat Chrysler as required by US regulations, the agency said. The government went on to say the recall is the result of "in-use emissions investigations conducted by EPA and in-use testing conducted by FCA as required by EPA regulations".
The recall covers almost 863,000 USA vehicles and 103,000 Canadian vehicles, Fiat Chrysler said.
Vehicles covered by the recall include Dodge Journey SUVs from the 2011-2016 model years, the Dodge Avenger and Chrysler 200 mid-size sedans (2011-2014 mode years), 2011-2012 Dodge Calibers and Jeep Compass and Patriot models from 2011-2016.
The automaker said testing of vehicles on the road showed a deterioration in the performance of the catalytic converters.More news: $448 million jackpot up for grabs in Wednesday's Powerball drawing
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Fiat Chrysler said in a statement the EPA announcement "has no safety implications". Supplying these parts to the dealership then replacing the catalytic converters takes some time, but on the upside, FCA started contacting customers in February 2019 to advise them of the needed repairs.
"We will provide assistance to consumers navigating the recall and continue to ensure that auto manufacturers abide by our nation's laws created to protect human health and the environment", EPA Administrator Andrew Wheeler said.
Its U.S. -traded shares were down 1 percent.
The recall will be conducted in phases, with owners of older cars being notified first that they can bring their cars in to be fixed. For some reason or another, all of the affected vehicles are front-wheel drive. It is awaiting the outcome of a criminal probe.