Rick's Free Auto Repair Advice

Posts Tagged: ignition wires

When to change spark plug wires

When to change spark plug wires and how to test them People often ask me why they should change spark plug wires. It’s a simple answer; they carry the firing voltage to the spark plugs and if they’re not performing up-to-par, neither are your spark plugs. You can spend top dollar buying the more expensive iridium spark plugs, but if you reinstall your old worn out spark plug wires, you’ll never get the performance you expected. There are three types of spark plug wires; distributed resistance, inductance (MAG), and fixed … Read More

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