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 MANUALSFORD2012FIESTA L4-1.6LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTUNE-UP AND ENGINE PERFORMANCE CHECKSSPARK PLUGSERVICE AND REPAIRSPARK PLUGS
2012 Ford Fiesta L4-1.6L
Spark Plugs
2012 Ford Fiesta L4-1.6LSECTION Spark Plugs
Spark Plugs
Removal and Installation
1. Detach the spark plug wire if routed through another spark plug wire.
2. NOTICE: Spark plug wires must be connected correctly. For additional information, refer to the Coil Terminal-to-Cylinder Relationship illustration in the Description and Operation, Engine Ignition Engine Ignition portion. Failure to follow this instruction may result in poor engine performance.
NOTICE: Do not pull on the spark plug wire as it may separate from the spark plug wire connector inside the spark plug wire boot.
Disconnect the spark plug wires from the spark plugs by slightly twisting while pulling upwards.
3. NOTE: Remove any foreign material with compressed air.
Remove the spark plugs.
- To install, tighten to 15 Nm (133 lb-in).
4. Inspect the spark pugs.
5. Check and adjust the spark plug gap as necessary.
6. To install, reverse the removal procedure.
- Apply silicone dielectric compound to the locations shown.
RENDER: 1.0x
NO RELATED
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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.