If you have a problem with your Mercury Grand Marquis, and you can’t find out where it’s originating from, don’t get worried, we’re only in this article to help you locate answers to these problems. If in your case, your Mercury Grand Marquis stops although driving , you must be more than worried by this problem. In this guide, we will help you to locate the cause of the problem. You will be happy to find out, nevertheless, that a vehicle that stops although you are driving can provoke a lot of different problems, so try to look at all of them from the perspective of how your Mercury Grand Marquis behaves when it dies although driving. To achieve this, we will now list all the components that have been located to be involved and the cause of their failure when the Mercury Grand Marquis dies although driving.

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Mercury Grand Marquis THAT shuts off WHILE DRIVING: THE PARTS CONCERNED

We will in reality help you with your research on the source of your Mercury Grand Marquis that dies while driving. Examine all components that if broken will be the cause of the problem you are experiencing.

THE EGR VALVE

The EGR valve is one of the parts that make a lot of hassle for drivers. In actual fact, this valve has a habit of clogging up the more time passes or brought on by a “quiet” driving of your Mercury Grand Marquis. This can lead to poor exhaust gas diffusion and, when it is totally clogged, a loss of power and possibly stalling at idle. Read this complete guide to EGR valve problems for more info.

A GROUND WIRE OR ELECTRICAL HASSLE

Does your Mercury Grand Marquis shuts off although driving? Don’t forget to have a look at your electrical system, whether it’s a ground wire, for example, which can cause a short circuit, or a fully broken electrical circuit that can no longer carry electricity. This is one of the most difficult motives to detect… We suggest that you try to locate a “burnt” part for the ground wire, which would show that an electric arc has formed between a cable and the bodywork, nevertheless you will absolutely have to contact a specialist to fix this problem.

IDLE ACTUATOR

The intent of this part is to control the engine idle speed of your Mercury Grand Marquis. If your Mercury Grand Marquis engine stops without warning when you’re at a standstill, such as at a red light, verify the level of wear on your actuator.

THE FUEL PUMP

One of the most logical motives, without fuel, the engine stops running. Often, over the years, the fuel pump filter can become clogged or the fuel pump is weak and no longer pumping. Either way, your Mercury Grand Marquis could stop although driving.

FUEL INJECTION SYSTEM

Same reflection as seen before, nevertheless, in this situation it is the last phase of the fuel intake into the engine. Seized injectors, a defective injection pump or sensor and your Mercury Grand Marquis can go out of service or completely disable your fuel injection. An injection problem will in most cases appear when the fuel injection is hot.

NEIMAN ISSUE

A neiman, principally concerning its ignition switch, will sometimes cause you trouble and cause your Mercury Grand Marquis to stop although driving. This part, which is fundamental for starting your car, also serves as an anti-theft protection, which will prevent your Mercury Grand Marquis from running normally if it fails.

IGNITION COILS (PETROL ENGINE ONLY)

The penultimate most important reason an Mercury Grand Marquis stops although driving is the ignition coil. This source is only relevant for petrol cars since the engine runs by explosion and not by compression. In case your coils are too worn out, they will no longer spark. Look on that side.

BATTERY / ALTERNATOR

Finally, it is also possible to be the victim of a tired battery or a broken alternator. In both situations, the lack of energy stored inside the battery will prevent your Mercury Grand Marquis from running as it will no longer be able to power the most important parts of your engine.

If you need more guides on the Mercury Grand Marquis, go to our Mercury Grand Marquis category.