Mercury Grand Marquis Battery Draining:  Causes + Diagnosis

If your Mercury Grand Marquis’s battery is draining, it’s something that’ll need addressing right away.  If it is draining while your Grand Marquis isn’t running, something is drawing current that shouldn’t be. If the battery drains while driving, there’s likely an issue with your car’s alternator. The two primary causes for a battery to deplete … Read more

Mercury Grand Marquis: Pulling to the Left

A vehicle that is pulling to the left can be dangerous to drive.  In the US, left is the direction of oncoming traffic.  This makes pulling to the left even more dangerous than pulling to the right.  Keeping straight when your Mercury Grand Marquis wants to veer into traffic makes driving stressful.  If your Grand … Read more

Mercury Grand Marquis: Pulls to the Right → Diagnosis

When your Mercury Grand Marquis pulls to the right, it makes driving difficult.  Keeping straight when your Grand Marquis wants to veer off the road is dangerous, and takes all of the joy out of driving.  Fixing a vehicle pulling to the right should be considered a high priority repair.    Mercury Grand Marquis Pulls … Read more

Mercury Grand Marquis:  Oil Leak Diagnosis

If you’re a Mercury Grand Marquis owner, you’re likely aware of the common issues that can arise with your vehicle. One of the most frustrating problems is discovering an oil leak. Not only can it be a messy hassle to clean up, but it can also be a sign of a more serious issue. Gaskets … Read more

Mercury Grand Marquis:  Leaking Water Diagnosis

  If your Mercury Grand Marquis is leaking water, it could mean a few different things are happening.  Some water is completely acceptable.  It depends on the situation.  It really depends on where you’ve found it, and if it is really water. Coolant or Water? If you are trying to figure out if your Mercury … Read more

Mercury Grand Marquis:  Oil On Spark Plug Causes

If you’ve found oil on your Mercury Grand Marquis’s spark plug, it should be a cause for concern. It doesn’t necessarily indicate a major engine problem.  When there is oil on the spark plugs is usually caused by a bad valve cover gasket or O-Ring (overhead cam engines).  There can be other causes as well. … Read more