Having a problem with your car is common, because regrettably recent vehicles are more and more difficult and consequently be subject to more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Mercury Grand Marquis . This is a problem that is specially irritating because it can ultimately bring your car to non starting or broken engine. To get this done, first we will see how injection works, then, what are the different concerns that can exist on a Mercury Grand Marquis injectors , and at last, how to fix them.


What is the aim of the injection of a Mercury Grand Marquis?

So we commence our content page by promptly explaining how an injection system works so that you have all the information you need to figure out the failures associated with it. < br>
The injection system of a Mercury Grand Marquis manages the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be a lot more precise and to come, under pressure, to discharge the fuel in the engine. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will relieve the fuel in the form of micro-drops into the cylinders of your Mercury Grand Marquis. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to enable a better air/fuel mixture and consequently a better combustion.

What are the different injection complications on Mercury Grand Marquis?

Now in this second component, we are going to explore the different injection complications and their signs of illness that you might face on your Mercury Grand Marquis .

Injection pump complications Mercury Grand Marquis

To start, we will see the injection pump complications on your Mercury Grand Marquis, there are not many of them, they are generally recurrent but we will detail them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system may be too high or too low which will cause a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine of your Mercury Grand Marquis.
  • Leakage from the injection pump of your Mercury Grand Marquis: If you have a significant leakage problem, the end result will be much the same as if you have a lack of pressure, you will not have enough pressure and consequently the combustion of your fuel will not be good

Concerning the consequences and signs of illness of a fuel pump problem on a Mercury Grand Marquis , you will obviously feel, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Mercury Grand Marquis

Now we move on to the injector problems on Mercury Grand Marquis . Injectors represent the end of your injection system, here are the different complications you might encounter:

  • Dirty Mercury Grand Marquis injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will probably have one or more cylinders that are not working effectively.
  • Leaky Mercury Grand Marquis injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Mercury Grand Marquis HS: This is the circumstance when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Concerning the signs of illness of injector complications on your Mercury Grand Marquis it is about the same as for a defective injection pump. You might experience problems with starting, throttle response, power loss, and smoke emission.

How to get rid of an injection problem on a Mercury Grand Marquis?

To conclude our content page on the injection complications on Mercury Grand Marquis , we will try to give you the solutions that exist to fix these complications.
If after a precise investigation it’s your injection pump that is the source of your complications, it will regrettably be very complicated to intervene on the trouble without changing the component, this change generally goes with the replacement of the injectors, and in some cases the tank, it will take between 2000 and 3000 euros for the whole, try to get several diagnostics and estimates before starting any repair.
Concerning a problem with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mercury Grand Marquis, do not think twice to consult our content page on this subject to get the process. If it doesn’t work, you will have to change them.
  • Leaky injector: The change and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to change it, do not think twice to consult our content page on the injectors that leak on Mercury Grand Marquis, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

Whenever you have any additional questions about the Mercury Grand Marquis, do not hesitate to consult our Mercury Grand Marquis category.