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.
2024 Subaru Impreza BaseFACTORY OEM SERVICE PROCEDURE
Ignition Coil: Inspection
- Check that there is no deformation, cracks or other damages.
- Make sure that the connection between the ignition coil body and the protector is not insecure.NOTE: For the ignition coil that has an ignition coil body side protrusion and a protector side protrusion, make sure that they are within the installation range shown in the figure.
(a) Ignition coil body (b) Ignition coil body side protrusion (c) Protector (d) Protector side protrusion (e) Bleeding hole (f) Installation range - For inspection procedure of ignition control system, refer to "Diagnostics with Phenomenon".
2.0 L model :
Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.0)>DIAGNOSTICS WITH PHENOMENON>IGNITION CONTROL SYSTEM .
2.5 L model :
Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.5)>DIAGNOSTICS WITH PHENOMENON>IGNITION CONTROL SYSTEM .
Factory Service Tools
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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.