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.
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HOMESERVICE MANUALSFORD2018FUSION ENERGI TITANIUMREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - DESCRIPTION & OPERATION (HYBRID)TRANSMISSION CONTROL MODULE (TCM) COMPREHENSIVE COMPONENT MONITOR (CCM)CLEAN TACH OUT
2018 Ford Fusion Energi Titanium
Clean Tach Out
2018 Ford Fusion Energi TitaniumSECTION Clean Tach Out
The clean tach out signal is received from the PCM. This signal is generated 10 degrees before top dead center for each cylinder. This signal is used to calculate the engine speed and crankshaft position.
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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.