1998 Mercury Marquis problems

Common 1998 Mercury Marquis problems

The Mercury Grand Marquis, produced by Ford Motor Company, has been a popular choice for those seeking a full-size luxury sedan. However, like any vehicle, it has had its fair share of problems over the years. In this article, we will focus on the 1998 Mercury Grand Marquis and discuss some of the most common problems based on complaints from owners.

• Headlights Not Working Properly: This problem is most commonly reported in the 2005 Mercury Grand Marquis, with an average cost to fix of $500 and an average mileage of 83,000 miles. Headlights are a critical safety feature, and when they fail to work properly, it can be dangerous to drive at night. This issue can be caused by a variety of factors, including faulty wiring, blown fuses, or a malfunctioning headlight switch.

• Valve Dropped Through Engine: This issue is reported in the 2007 Mercury Grand Marquis, with an average cost to fix of $3,300 and an average mileage of 76,000 miles. This is a serious problem that can cause significant engine damage. When a valve drops through the engine, it can cause the engine to seize up and stop running. This issue is often caused by worn or damaged valve springs or valve guides.

• Transmission Failure: This is a common problem in the Mercury Grand Marquis, with many complaints reported across various model years. Transmission failure can be caused by a variety of factors, including low transmission fluid levels, worn or damaged gears, or a faulty torque converter. When the transmission fails, it can cause the vehicle to lose power or become undrivable.

• AC Climate Control Not Working Properly: This issue is reported in the 2004 Mercury Grand Marquis, with an average cost to fix of $500 and an average mileage of 74,000 miles. The air conditioning system is critical for maintaining a comfortable driving experience, especially in hot weather. When it fails to work properly, it can make the vehicle uncomfortable to drive. This issue can be caused by a variety of factors, including a faulty compressor, leaking refrigerant, or a malfunctioning thermostat.

• Air Bag Light On: This issue is reported in the 2005 Mercury Grand Marquis, with an average cost to fix of $500 and an average mileage of 82,000 miles. The airbag system is a critical safety feature, and when the airbag light comes on, it can indicate a problem with the system. This issue can be caused by a variety of factors, including faulty wiring, a malfunctioning airbag sensor, or a damaged airbag module.

In conclusion, while the Mercury Grand Marquis is a popular choice for those seeking a full-size luxury sedan, it has had its fair share of problems over the years. Owners of the 1998 Mercury Grand Marquis have reported issues with intake manifold failure, headlights not working properly, valve dropped through engine, transmission failure, AC climate control not working properly, and airbag light on. These issues can be costly to repair and can impact the vehicle's safety and reliability. Therefore, it is essential to be aware of these common problems and to address them promptly to ensure the vehicle's safe and reliable operation.

How many miles does a Mercury Marquis last?

Well taken care of Mercury Grand Marquis and the very similar Ford Crown Vics and Lincoln Town Cars have frequently gone 300,000+ miles.

Do Grand Marquis have transmission problems?

Problem Description

Transmission problems are common in this model, often as a result of a failed front pump.

Why did they stop making Mercury Marquis?

As Ford Motor Company expanded its use of front-wheel drive, the Marquis ended production after the 1986 model year, replaced by the Mercury Sable (the Mercury counterpart of the Ford Taurus). As the Grand Marquis, the nameplate continued on until the closure of Mercury during the 2011 model year.

How many miles per gallon does a Mercury Marquis get?

Fuel Economy

City	15 mpg
Highway	23 mpg
Combined	18 mpg

Why did they stop making Mercury Marquis?

As Ford Motor Company expanded its use of front-wheel drive, the Marquis ended production after the 1986 model year, replaced by the Mercury Sable (the Mercury counterpart of the Ford Taurus).

Do Grand Marquis have transmission problems?

Problem Description

Transmission problems are common in this model, often as a result of a failed front pump.

How long does a Mercury Grand Marquis last?

Grand Marquis drivers typically report a minimum lifespan of around 200,000 miles before the more expensive repairs start to add up. That's not a terrible life expectancy, but these cars frequently hit the market with more than 150,000 miles on the odometer, so shop around for low mileage.

What kind of engine does a Mercury Marquis have?

4.6 L Modular V8

Powertrain. The third-generation Grand Marquis retained the same powertrain as the 1995-1997 Grand Marquis, with a 4.6 L Modular V8 and a four-speed 4R70W automatic transmission.