Having a issue with your motor vehicle is traditional, because regrettably recent vehicles are more and more complex and consequently exposed to more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Renault Grand Modus . This is a issue that is specially irritating because it can ultimately bring your vehicle to non starting or broken engine unit. To do this, first we will see how injection works, then, what are the different problems that can exist on a Renault Grand Modus injectors , and at last, how to fix them.

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What is the aim of the injection of a Renault Grand Modus?

So we commence our content by promptly detailing how an injection system works so that you have all the information you need to understand the failure connected with it. < br>
The injection system of a Renault Grand Modus manages 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 relieve the fuel in the form of micro-drops into the cylinders of your Renault Grand Modus. 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 problems on Renault Grand Modus?

Now in this second part, we are going to see the different injection problems and their symptoms that you may possibly come across on your Renault Grand Modus .

Injection pump problems Renault Grand Modus

To commence, we will see the injection pump problems on your Renault Grand Modus, there are not many of them, they are often recurrent but we will detail them below:

  • Electronic issue of the high pressure pump: If you have an electronic issue, the pressure in your injection system might 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 unit of your Renault Grand Modus.
  • Leakage from the injection pump of your Renault Grand Modus: 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 consequently the combustion of your fuel will not be good

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Regarding the outcomes and symptoms of a fuel pump issue on a Renault Grand Modus , you will most certainly feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Renault Grand Modus

Now we move on to the injector problems on Renault Grand Modus . Injectors are the end of your injection system, here are the different problems you may possibly encounter:

  • Dirty Renault Grand Modus 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 properly.
  • Leaky Renault Grand Modus injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Renault Grand Modus HS: This is the case when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Regarding the signs of illness of injector problems on your Renault Grand Modus it is about the same as for a defective injection pump. You may possibly experience problems with starting, throttle response, power loss, and smoke emission.

How to resolve an injection issue on a Renault Grand Modus?

To end our article content on the injection problems on Renault Grand Modus , 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 main cause of your problems, it will regrettably be very complicated to intervene on the issue without replacing the part, this change often 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.
Regarding a issue with an injector there are various solutions depending on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Renault Grand Modus, do not be reluctant to consult our content 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 have the ability to change it, do not think twice to consult our content on the injectors that leak on Renault Grand Modus, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

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