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July 22, 2020 Service bulletin

Cylinder head replacement for lean misfire

Kia technical service bulletin TSB_ENG212_R1 for 2017-2019 Kia Niro and 2018 Kia Niro PHEV.

Bulletin number
TSB_ENG212_R1
Component
Engine and engine cooling
Summary
TECHNICAL SERVICE BULLETIN: CYLINDER HEAD REPLACEMENT FOR LEAN MISFIRE - This bulletin has been revised to include additional information. This bulletin provides the procedure to replace the engine cylinder head on some 2017-2019MY Niro (DE HEV/PHEV) vehicles produced from January 1, 2016 through November 13, 2018 These vehicles may exhibit a MIL with misfire DTC's and/or experience a slight engine hesitation at the speeds between 24 - 37 MPH due to Exhaust Gas Recirculation (EGR) operation.

Owners of these vehicles have filed 69 complaints in the engine category.

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