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.
2012 Lincoln Navigator RWDFACTORY OEM SERVICE PROCEDURE
Electronic Engine Controls: Notes
The electronic engine controls consist of the following:
- RH and LH Camshaft Position (CMP) sensor
- RH and LH Catalyst Monitor Sensor (CMS)
- Crankshaft Position (CKP) sensor
- Cylinder Head Temperature (CHT) sensor
- RH and LH Heated Oxygen Sensor (HO2S)
- RH and LH Knock Sensor (KS)
- Mass Air Flow (MAF) sensor
- PCM
- Throttle Position (TP) sensor
- RH and LH Variable Camshaft Timing (VCT) oil control solenoids
The PCM needs the following inputs to calibrate the engine correctly:
- Air temperature
- Amount of engine detonation
- Camshaft position
- Crankshaft position
- Cylinder head temperature
- Engine coolant temperature
- Engine RPM
- Exhaust oxygen content
- Mass airflow
- Throttle position
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.