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NHTSA ID Number: 10237789
Manufacturer Communication Number: SSM 51691
Summary
2011-2023 F-Super Duty and 2016-2024 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit an elevated idle condition. During prolonged idle time, vehicles may experience this elevated idle to reduce unburned hydrocarbons from the SCR. The powertrain control module estimates hydrocarbon levels in the SCR and may increase idle speed to remove them. Idle speed will be increased to 1000 RPM for ambient temperatures near 26°C (80°F) and may increase to 1200 RPM at -40 °C (-40°F). Vehicles may exhibit exhaust smoke and diesel exhaust fluid smell during elevated idle condition. Exhaust smoke and smell condition will not affect reliability or durability of the engine. Power take-off (PTO) use and idle set point control will disable elevated speed. It is required that the operator monitor the vehicle and adhere to any Exhaust Filter warning messages.
83 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| FORD | F-250 SD | 2011-2023 |
| FORD | F-350 SD | 2011-2023 |
| FORD | F-450 SD | 2011-2023 |
| FORD | F-550 SD | 2011-2023 |
| FORD | F-600 SD | 2019-2023 |
| FORD | F-650 SD | 2011-2023 |
| FORD | F-750 SD | 2011-2023 |
1 Associated Document
Manufacturer Communications
SSM 51691
2011-2023 F-Super Duty, 2016-2024 F-650/F-750 – High/Elevated Idle After Extended Idle Periods – Selective Catalyst Reductant (SCR) System
https://www.nhtsa.gov/recalls?nhtsaId=10237789
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NHTSA ID Number: 10209384
Manufacturer Communication Number: SSM 50636
Summary
2011-2022 F-Super Duty and 2016-2023 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit an elevated idle condition. During prolonged idle time, vehicles may experience this elevated idle to reduce unburned hydrocarbons from the SCR. The powertrain control module estimates hydrocarbon levels in the SCR and may increase idle speed to remove them. Idle speed will be increased to 1000 RPM for ambient temperatures near 26°C (80°F) and may increase to 1200 RPM at -40 °C (-40°F). Vehicles may exhibit exhaust smoke and diesel exhaust fluid smell during elevated idle condition. Exhaust smoke and smell condition will not affect reliability or durability of the engine. Power take-off (PTO) use and idle set point control will disable elevated speed. It is required that the operator monitor the vehicle and adhere to any Exhaust Filter warning messages.
1 Associated Document
Manufacturer Communications
SSM 50636 – 2011-2022 F-Super Duty, 2016-2023 F-650/F-750 – High/Elevated Idle After Extended Idle Periods – Selective Catalyst Reductant (SCR) System
https://www.nhtsa.gov/recalls?nhtsaId=10209384
MC-10209384-0001.pdf 118.511KB
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NHTSA ID Number: 10186567
Manufacturer Communication Number: SSM 49430
Summary
2011-2021 F-Super Duty and 2016-2021 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit a high/elevated idle condition. During prolonged idle time, vehicles may experience this high/elevated idle to reduce buildup of unburned hydrocarbons from the SCR system. The powertrain control module (PCM) estimates hydrocarbon levels in the SCR and may increase idle speed to remove them. Idle speed will be increased to 1000 revolutions per minute (rpms) for ambient temperatures near 26C (80F) and may increase to as high as 1200 rpms at -40 C (-40F). These elevated idle periods can last from 20-40 minutes, depending on ambient temperatures. During power take off (PTO) use and already using idle set point control, the elevated speed is disabled. It is required that the operator monitor the vehicle and adhere to the Exhaust Filter warning messages.
1 Associated Document
Manufacturer Communications
SSM 49430 – 2011-2021 F-Super Duty, 2016-2021 F-650/F-750 – High/Elevated Idle After Extended Idle Periods – Selective Catalyst Reductant (SCR) System
https://www.nhtsa.gov/recalls?nhtsaId=10186567
MC-10186567-0001.pdf 117.807KB
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- Mixture of 32.5 percent high purity synthetic urea and 67.5 percent deionized water
- Helps convert nitrogen oxide into harmless nitrogen gas and water vapor for cleaner emissions
- Improves fuel economy by up to 5 percent
- Inject the fluid into your exhaust stream with a specialized dosing module
- Stable, colorless, odorless, and meets ISO standards 22241 for purity and composition
- Prime Guard DEF is a safe, environmentally friendly solution for Selective Catalytic Reduction
- Meets GM Original Equipment specifications to be approved for use in GM vehicles as well as in non-GM diesel vehicles that have an SCR (Selective Catalytic Reduction) system to meet regulated NOx emissions (Based on EPA certification testing. Your actual emissions will vary based on several factors including temperature, terrain, and driving conditions).
- High quality formula is made from high purity urea and deionized water.
- Meets API regulations and ISO 22241 standard for purity and concentration
- Nozzles sold separately
- Blue Def DEF002-2PK Diesel Exhaust Fluid, 2.5 Gallon, 2 Pack
- Meets GM Original Equipment specifications to be approved for use in GM vehicles as well as in non-GM diesel vehicles that have an SCR (Selective Catalytic Reduction) system to meet regulated NOx emissions
- High quality formula is made from high purity urea and deionized water. It contains no chemical additives or other components that could cause SCR system failure
- Includes vented nozzle(s) that make pouring easy by helping to prevent glugging
- Has 1 complimentary nozzle. Extra nozzles sold separately
- ENGINEERED: For use in Selective Catalytic Reduction (SCR) systems on diesel engines
- EFFICIENCY: BlueDEF diesel exhaust fluid is key to helping improve fuel economy by up to five percent
- PROTECTION: Diesel exhaust fluid is non-toxic and safe to handle
- QUALITY: Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
- EFFORTLESS: Easily Inject the fluid into your exhaust stream with a specialized dosing module
Last update on 2024-04-02 / Affiliate links / Images from Amazon Product Advertising API
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