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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
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
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
- Blue Def DEF002-2PK Diesel Exhaust Fluid, 2.5 Gallon, 2 Pack
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Last update on 2024-06-04 / Affiliate links / Images from Amazon Product Advertising API
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