spark plug leaking gas

Asked by Guru2Z1BB Feb 21, 2020 at 09:02 PM about the 2003 Mercury Grand Marquis

Question type: Maintenance & Repair

got a grand marquis with the 302 replaced the fuel pump shortly after the third spark plug in firing order started leaking gas any idea why

1 Answer

9,410

Spark plugs don't leak. Maybe the fuel injector on that cylinder is leaking?

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