Why did my spark plugs go bad?

Why did my spark plugs go bad?

Carbon Buildup: Just like oil can cause a spark plug to go bad, so can carbon buildup. A cracked distributor case, dirty fuel injectors, improper fuel/air mixture, clogged air filter element, to name a few can cause carbon to build up on spark plugs and quickly cause problems.

How much does it cost to replace a spark plug on a Mercury Grand Marquis?

Bad spark plugs or an ignition coil can cause ignition misfire, which will illuminate the Check Engine Light. The average cost for a Mercury Grand Marquis Ignition Coil Replacement is between $133 -$141.

What causes a Mercury Grand Marquis to misfire?

Misfire due to failed spark plugs or ignition coil on Mercury Grand Marquis. Problem Description. Bad spark plugs or an ignition coil can cause ignition misfire, which will illuminate the Check Engine Light.

When did the Mercury Grand Marquis stop being made?

The Mercury Grand Marquis is a sedan that was manufactured by Ford from 1975-2011. The model has been discontinued. Read more Ford reviews to learn about other models. Shop Now on Rydeshopper

Why do I have water in my spark plugs?

The spark plug boots attempt to seal the openings.” The Grand Marquis uses the SOHC 4.6 V-8. It DOES NOT have spark plug wells in the cam covers. Water in the spark plugs makes no sense. Are you sure that’s how they phrased it? If so, you need a second opinion from a reputable shop.

Bad spark plugs or an ignition coil can cause ignition misfire, which will illuminate the Check Engine Light. The average cost for a Mercury Grand Marquis Ignition Coil Replacement is between $133 -$141.

Misfire due to failed spark plugs or ignition coil on Mercury Grand Marquis. Problem Description. Bad spark plugs or an ignition coil can cause ignition misfire, which will illuminate the Check Engine Light.

The Mercury Grand Marquis is a sedan that was manufactured by Ford from 1975-2011. The model has been discontinued. Read more Ford reviews to learn about other models. Shop Now on Rydeshopper