Having a problem with your car is basic, because regrettably recent automobiles are more and more complex and therefore be subject to more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Ford S-max . This is a problem that is particularly frustrating because it can sooner or later bring your vehicle to non starting or damaged engine unit. To do this, first we will see how injection works, then, what are the different problems that can exist on a Ford S-max injectors , and finally, how to fix them.

injection-problem-ford-s-max

What is the purpose of the injection of a Ford S-max?

So we start our content page by promptly explaining how an injection system works so that you have all the info you need to figure out the failures connected with it. < br>
The injection system of a Ford S-max handles the fuel intake into the engine unit , it replaces the old carburettors. It has the advantage to be far more precise and to come, under pressure, to discharge the fuel in the engine unit. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will release the fuel in the form of micro-drops into the cylinders of your Ford S-max. 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 therefore a better combustion.

What are the different injection problems on Ford S-max?

Now in this second component, we are going to explore the different injection problems and their manifestations that you might confront on your Ford S-max .

Injection pump problems Ford S-max

To start, we will see the injection pump problems on your Ford S-max, there are not many of them, they are often recurrent but we will highlight them down below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system might be too high or too low which will trigger a bad air/fuel mixture and therefore a bad combustion and thus alter the behavior of the engine unit of your Ford S-max.
  • Leakage from the injection pump of your Ford S-max: If you have a major 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 therefore the combustion of your fuel will not be good

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Concerning the results and manifestations of a fuel pump problem on a Ford S-max , you will obviously experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Ford S-max

Now we move on to the injector problems on Ford S-max . Injectors are the end of your injection system, here are the different problems you might encounter:

  • Dirty Ford S-max injectors: This can happen as a result of poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will potentially have one or more cylinders that are not working effectively.
  • Leaky Ford S-max injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Ford S-max HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.

Regarding the symptoms of injector problems on your Ford S-max it is about the same as for a defective injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.

How to resolve an injection problem on a Ford S-max?

To conclude our content page on the injection problems on Ford S-max , we will try to give you the solutions that exist to fix these problems.
If after a precise diagnosis it’s your injection pump that is the cause of your problems, it will regrettably be very difficult to intervene on the issue without replacing the component, this change often goes with the replacement of the injectors, and occasionally 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 various solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Ford S-max, do not be reluctant to consult our content page on this subject to get the procedure. If it doesn’t work, you will have to change them.
  • Leaky injector: The replace and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to replace it, do not think twice to consult our content page on the injectors that leak on Ford S-max, 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.

To find more tips on the Ford S-max, take a look at the Ford S-max category.