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The problem: The oxygen sensors may operate improperly, causing excessive tailpipe emissions and possible poor performance and fuel mileage. This may be due to faulty software for the engine control module.
Vehicles affected by service bulletin:
- 2014 Land Rover LR4
- 2015 Land Rover LR4
- 2016 Land Rover LR4
- 2014 Land Rover Range Rover Sport
- 2015 Land Rover Range Rover Sport
- 2016 Land Rover Range Rover Sport
- 2013 Land Rover Range Rover
- 2014 Land Rover Range Rover
- 2015 Land Rover Range Rover
- 2016 Land Rover Range Rover
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Corrective action: Dealers will update the engine control module software.
Warranty info: This service is being performed free of charge under Land Rover's new-car, federal emissions or extended warranty, whichever applies.
What owners should do: Call your local dealer with your vehicle's identification number to determine if it's involved in this service bulletin. You can also call Land Rover at 800-637-6837 or the National Highway Traffic Safety Administration at 888-327-4236. Reference TSB No. Q514.
Need to find a dealer for service? Go to Cars.com Service & Repair to find a local dealer.
Editor's note: This is only one of dozens of service bulletins issued each month by automakers. Please check your automaker's website to see if your vehicle has any service bulletins pending.
Check for recalls here on Cars.com.
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