Testing spark plug coils with a multimeter is a vital step in diagnosing ignition system points. A spark plug coil is chargeable for producing the excessive voltage essential to create a spark on the spark plug, igniting the air-fuel combination within the engine’s cylinders. A defective coil can result in misfires, diminished engine energy, and elevated emissions.
Utilizing a multimeter to check a spark plug coil is a comparatively easy course of that may be carried out in a couple of minutes. By following the steps outlined beneath, you possibly can shortly and simply decide if the coil is functioning correctly.