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What would cause your spark plugs to be wet with fuel?

* Fuel injector stuck open. A stuck-open fuel injector will cause too much fuel to be sprayed into the combustion chamber, which can result in wet spark plugs.

* Faulty fuel pressure regulator. A faulty fuel pressure regulator can cause the fuel pressure to be too high, which can also lead to wet spark plugs.

* Damaged spark plug wires. Damaged spark plug wires can allow electricity to leak, which can prevent the spark plugs from firing properly and cause them to become wet with fuel.

* Clogged air filter. A clogged air filter can restrict airflow to the engine, which can cause the fuel mixture to be too rich and the spark plugs to become wet.

* Defective oxygen sensor. A defective oxygen sensor can cause the engine to run rich, which can also lead to wet spark plugs.

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