How can Honda City owners in Pakistan diagnose a faulty ignition coil at home?

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How can Honda City owners in Pakistan diagnose a faulty ignition coil at home?

Are there any simple DIY methods for testing an ignition coil without professional tools? Can owners use a multimeter to check coil resistance, o r is it necessary to visit a mechanic for diagnosis?

Qalb E Momin asked on 26 Feb 2025 12:37:55 pm

1 Answer

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Car Mechanic Expert - on 26 Feb 2025 13:05:36 pm

Simple DIY Methods:

OBD-II Scanner: Using an OBD-II scanner is the most efficient way to identify which cylinder is misfiring, and it can help confirm if a faulty ignition coil is the issue.
Visual Inspection: Look for signs of physical damage to the ignition coils, such as cracks, corrosion, o r burnt areas.
Swap Test: You can swap the ignition coil with one from another cylinder. If the misfire moves to the new cylinder, it’s a clear sign that the coil is faulty.
Multimeter Test: You can use a multimeter to check the resistance of the coil. A faulty coil will usually show a significantly higher o r lower resistance than the manufacturers specifications.