Mercury Marquis Maintenance?

Answer The Mercury Marquis, better known as the Mercury Grand Marquis, is a full-size rear-wheel drive sedan that has been in production since 1983. Sharing the same platform and most of its components wi... Read More »

Top Q&A For: Mercury Marquis Maintenance

My Mercury Marquis Won't Start?

The Mercury Grand Marquis has been on the market since 1983. It is a full-size, rear-wheel-drive sedan that shares the same body style and features as the Ford Crown Victoria. There are various rea... Read More »

How to Replace a PCV Valve on a Mercury Marquis?

The positive crankcase ventilation (PCV) valve is designed to ensure the air flow in your engine remains in the proper direction. The PCV valve routes the dirty air back into the air cleaner to be ... Read More »

How to Troubleshoot the Alternator on a 2001 Mercury Marquis?

The charging system in your 2001 Mercury Grand Marquis consists of the battery and alternator, along with the wiring needed to connect these two components and supply power from them to the rest of... Read More »

How to Adjust Headlights on a Mercury Grand Marquis?

Proper headlight adjustment is essential for safe night driving. If your Grand Marquis' headlights are out of alignment, you will notice a dramatic reduction in nighttime visibility. This, in turn,... Read More »