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 ST-Line, FWDFACTORY OEM SERVICE PROCEDURE
Electronic Engine Controls - 2.0L ECOBOOST (184KW/250PS) - Mi4
- Description And Operation
- Electronic Engine Controls - Component Location
- Electronic Engine Controls - Overview
- Electronic Engine Controls - System Operation and Component Description
- System Operation
- Auto Start Stop
- Automatic Engine Idle Shutdown
- Comprehensive Component Monitor (CCM)
- Computer Controlled Shutdown
- Engine Off Timer Monitor
- Engine RPM Limiter
- Failure Mode Effects Management (FMEM)
- Flash Electrically Erasable Programmable Read Only Memory (EEPROM)
- Intermittent Diagnostic Techniques
- International Standards Organization (ISO) 14229 Diagnostic Trouble Code (DTC) Descriptions
- Malfunction Indicator Lamp (MIL)
- On Board Diagnostic (OBD) Drive Cycle
- On Board Diagnostics (OBD) Monitors
- Variable Camshaft Timing (VCT) Monitor
- Component Description
- Diagnosis And Testing
- Crankshaft Position System
- Electronic Engine Controls
- Diagnostic Trouble Code (DTC) Chart
- Pinpoint Tests
- Notes
- Pinpoint Test A: U0103
- Pinpoint Test B: U0104
- Pinpoint Test C: U0121
- Pinpoint Test D: U0126, U0212
- Pinpoint Test E: U0140
- Pinpoint Test F: U0131
- Pinpoint Test G: U0151
- Pinpoint Test H: U0155
- Pinpoint Test I: U0199
- Pinpoint Test J: U0200
- Pinpoint Test K: U0230
- Pinpoint Test L: U023A
- Pinpoint Test M: U0252
- Pinpoint Test N: U0256
- Pinpoint Test O: U0298
- Pinpoint Test P: U0404, U0405, U0415, U0422, U0423, U1011, U1012, U101E
- Pinpoint Test Q: P06DA, P06DB, P06DC, P06DD
- Pinpoint Test R: P1001
- Pinpoint Test QA: Unable To Activate Self-Test/Network Communication Error
- Engine Starting Control System
- Powertrain Control Module (PCM) Input and Output Controls
- Variable Camshaft Timing (VCT) System
- Removal And Installation
- Camshaft Position (CMP) Sensor
- Catalyst Monitor Sensor
- Crankshaft Position (CKP) Sensor
- Cylinder Head Temperature 2 (CHT2) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Engine Oil Pressure (EOP) Sensor
- Fuel Rail Pressure (FRP) Sensor
- Heated Oxygen Sensor (HO2S)
- Intake Air Temperature (IAT) Sensor
- Knock Sensor (KS)
- Manifold Absolute Pressure and Temperature (MAPT) Sensor
- Oil Pressure Control Solenoid
- Powertrain Control Module (PCM)
- Turbocharger Bypass Valve
- Engine Oil Level Sensor
- Boost Pressure Sensor
- Variable Camshaft Timing (VCT) Oil Control Solenoid
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.