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 Timing Control System
Ignition timing control system is composed of various sensors, Electronic Control Module (ECM) and power transistor. Depending on engine operating conditions, ignition timing control system functions to regulate ignition timing and current flow time of primary current, ensuring good ignition performance.On-off switching of primary current flowing in ignition coil is performed by power transistor, which in turn is regulated by ECM.
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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.