Your Mercury Grand Marquis’s torque converter is responsible for converting the energy generated by the engine at the flywheel and transferring it to the transmission, creating a bridge between the engine and the transmission. In the Mercury Grand Marquis, a bad torque converter is often caused by bad transmission fluid, worn clutches, bad seals, … Read more
If your Mercury Grand Marquis’s battery light is on, it is trying to warn you that there is an issue with the charging system. The charging system itself is relatively simple. The battery light comes on because the voltage level at the battery is too low. Quick Facts Common Causes Faulty Battery, Bad Alternator, Battery … Read more
One of the most common problems that can happen with a vehicle over time is it’ll begin leaking power steering fluid. Without the power steering system, your Grand Marquis would be very difficult to drive. Most of the weight of the vehicle is absorbed by the power steering system, making it feel much lighter than it … Read more
A burning smell is one of the most troublesome problems you can experience in a vehicle. If your Mercury Grand Marquis has a burning smell, there are many potential causes. Typically, the smell is caused by some type of fluid (oil, trans fluid, etc…) hitting the exhaust or other hot parts of the engine … Read more
The engine burning oil is one of the most common problems that a vehicle can encounter, particularly one with high mileage. If your Mercury Grand Marquis is burning oil it is typically caused by piston rings or valve guides. How Much Oil Consumption is Normal? Most auto manufacturers are hesitant to tell … Read more
P0463 is a moderately common OBDII trouble code that can occur in your Mercury Grand Marquis. It indicates that the vehicles computer has detected an inaccurate fuel level reading. It shouldn’t affect the drivability of your Grand Marquis, but it can be inconvenient. Your Grand Marquis will get the P0463 code when the signal … Read more
One of the more jarring vehicle problems that you can experience is a backfire. It sounds like a shotgun blast and can scare you if you’re not prepared for it. If your Mercury Grand Marquis is backfiring, common causes include improper engine timing, bad spark plugs, engine running rich, and plug wires (if so … Read more
If you’ve recently checked your Mercury Grand Marquis’s coolant, and it looks almost like it has butter in it, then you probably have oil in it. Oil in your coolant is most often caused by a blown head gasket. It can also be caused by a cracked head or even a bad radiator (well sorta, … Read more
One of the worst problems that can happen to your Mercury Grand Marquis is overheating. Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your Grand Marquis is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine … Read more
Your Mercury Grand Marquis’s windows protect you from the elements, and they protect the interior from damage. If your window won’t go up, there are a few common issues that can cause this problem. These include a blown fuse, bad window motor, wiring issues, and the switch. Power Window Won’t Go Up Causes: Mercury … Read more