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.
2018 Ford Fusion SportFACTORY OEM SERVICE PROCEDURE
Electronic Engine Controls System - 2.7L ECOBOOST (238KW/324PS)
- Description And Operation
- Diagnosis And Testing
- Electronic Engine Controls
- DTC Chart: Powertrain Control Module (PCM)
- Pinpoint Tests
- Pinpoint Test A : U0121
- Pinpoint Test B : U0126, U0212
- Pinpoint Test C : U023A
- Pinpoint Test D : U0146
- Pinpoint Test E : U0151
- Pinpoint Test F : U0159
- Pinpoint Test G : U0164
- Pinpoint Test H : U0199
- Pinpoint Test I : U0200
- Pinpoint Test J : U0256
- Pinpoint Test K : U0131
- Pinpoint Test L : Oil Pressure Control Solenoid Faults
- Electronic Engine Controls
- Removal And Installation
- Camshaft Position (CMP) Sensor
- Catalyst Monitor Sensor
- Crankshaft Position (CKP) Sensor
- Cylinder Head Temperature (CHT) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Engine Oil Pressure (EOP) Sensor
- Fuel Pressure Sensor
- Fuel Rail Pressure (FRP) Sensor
- Heated Oxygen Sensor (HO2S)
- Intake Air Temperature (IAT) Sensor
- Knock Sensor (KS)
- Manifold Absolute Pressure (MAP) Sensor
- Oil Pressure Control Solenoid
- Powertrain Control Module (PCM)
- Turbocharger Boost Pressure Sensor
- Turbocharger Bypass Valve
- 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.
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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.