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.
Ignition Coil: Notes
The engine has an inductive ignition system with static ignition voltage distribution. Each cylinder has a separate ignition coil, which is plugged directly into the cylinder head cover.
The ignition circuit of this coil ignition consists of:
- Ignition coil with primary and secondary coil
- Ignition output stage in the engine control unit
- Spark plug, connected to the secondary coil
Each spark plug receives its high-tension voltage from its own ignition coil (pencil coil) and a separate individual ignition output stage within the engine control unit.
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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.