Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Ford Edge SE, 4WDFACTORY OEM SERVICE PROCEDURE
Section 679 (Engine Emission Control - 3.0L Power Stroke Diesel)
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Engine Emission Control - Component Location
- Engine Emission Control - Overview
- Engine Emission Control - System Operation and Component Description
- Crankcase Ventilation System
- Exhaust Gas Recirculation (EGR) System
- Component Description
- Crankcase Ventilation Heater
- Exhaust Gas Recirculation (EGR) Cooler
- Exhaust Gas Recirculation (EGR) Cooler Bypass Valve
- Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Solenoid
- Exhaust Gas Recirculation Temperature (EGRT) Sensor
- Exhaust Gas Recirculation (EGR) Valve
- Exhaust Pressure (EP) Sensor
- Nitrogen Oxides (NOx) Modules
- Nitrogen Oxides (NOx) Sensors
- Reductant Heaters
- Reductant Injector
- Reductant Quality Module
- Reductant Pressure Sensor
- Reductant Pump Assembly
- Reductant Temperature Sensor
- Diagnosis And Testing
- General Procedures
- Removal And Installation
- Crankcase Vent Oil Separator
- Crankcase Ventilation Tube
- Exhaust Gas Recirculation (EGR) Coolant Inlet Tube
- Exhaust Gas Recirculation (EGR) Coolant Outlet Hose
- Exhaust Gas Recirculation (EGR) Temperature Sensor
- Exhaust Gas Recirculation (EGR) Inlet Tube
- Exhaust Gas Recirculation (EGR) Outlet Tube
- Exhaust Gas Recirculation (EGR) System Module
- Reductant Injector
- Reductant Pressure Line
- Reductant Pump and Heater Assembly
- Reductant Tank
- Reductant Tank Filler Hose
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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