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Spark plugs are threaded into the cylinder head on the engine. They are sometimes hard to locate because of the use of composite materials used to hide their appearance. Automotive manufacturers like the idea of a sleek flat looking engine bay, so they hide it all behind plastic.

Look for 4, 6, or 8 (depending on the number of cylinders in your vehicle) wide heavy gauge wires grouped together. Follow these to your spark plugs.

One note to add, not all cars have ignition wires. Such as the GM quad 4 motor for one. On the top of the motor there is a coil housing cover that needs to be removed to access them.

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10y ago

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