If your Mercury Grand Marquis has metal shavings in the oil, it almost always indicates engine damage, but it’s not always easy to tell what is causing the issue. This article will help you figure out what’s going on with your car. Metal shavings accompanied by a knocking sound typically indicate your Grand Marquis has … Read more
When your Mercury Grand Marquis is in Park, its engine RPM level (revolutions per minute) should stay relatively even. If it doesn’t, there’s likely something wrong with your engine. If your car’s check engine light is on, we’ve provided the most common causes of RPMs going up and down while in Park and the common … Read more
Shocks and struts typically don’t last for the lifetime of a vehicle, If your Mercury Grand Marquis is experiencing poor handling, excessive wear on tires and suspension components, or a jarring noise, it likely has bad shocks or struts. If your Grand Marquis is experiencing any steering problems, it’s vital to check your car out … Read more
The TPMS light indicates that your Mercury Grand Marquis’s tire pressure is above or below the minimum threshold set by the manufacturer. The tire pressure monitoring system (TPMS) light is the most common warning light on a modern vehicle. If you have a TPMS warning light, your car’s tire pressure must be checked. If your … Read more
Does your Mercury Grand Marquis have lights that come on and a clicking noise when you turn the key, but it won’t start? This article is meant to help you diagnose this exact scenario. The good news is that this is a fairly common no-start situation and is usually pretty easy to repair. A weak … Read more
If you find yourself in a situation where only one of Mercury Grand Marquis’s windshield wipers is working, there’s a lot you can do to get it fixed at home. We know that when only one windshield wiper is working, your Grand Marquis’s windshield wiper motor is still functional. So we don’t need to check … Read more
A functioning horn is one of a vehicle’s most critical safety features. If your Mercury Grand Marquis’s horn isn’t working, there are a few potential causes. We’ll cover each of them, starting with the easiest and most likely issues and working from there. A test light can make diagnosing a horn that isn’t working much … Read more
If your Mercury Grand Marquis has washer fluid that is not coming out, it is caused by a few common issues. This article aims to give quick practical advice to help you get your wiper/washer pumping fast. Mercury Grand Marquis Washer Pump Not Working Quick Diagnosis Table Did You Hear the Washer Motor? Causes Yes … Read more
A mysterious noise you don’t know the source of is one of the most stressful things that can happen during vehicle ownership. If your Mercury Grand Marquis is making a sloshing sound while driving it, this is the guide for you. If your Grand Marquis makes a sound like sloshing water while driving, this is … Read more
Does your Mercury Grand Marquis’s air conditioning smell bad? This article will provide you with some quick and comprehensive list of causes to help eliminate your car’s foul odor. This guide is broken down into three sections: AC Smell Reference Table Smell Type Potential Causes Sweet Leaking Engine Coolant, Leaking Refrigerant Mold, Mildew, Fungus Clogged … Read more