In the event that your injection system breaks down breakdown it is frankly annoying. Usually, this is noticeable in fuel fumes or loss of acceleration. The problem must come from the injectors? of the injection pump? We will answer these questions in order to better identify this concern. But first, it is essential to understand the injection system operation .injector-fault-Renault-Grand-Scenic-2

Injection system on a Renault Grand Scenic 2: how it works

To be able to function properly, the engine of your Renault Grand Scenic 2 needs a mixture of air and fuel. It is injector which allows this mixture to be shipped within the engine. If the injector has a problem, the Renault Grand Scenic 2 may not start. The injection system consists of a pumps and injectors , sometimes gathered through a common rail . The first injection engine was invented in 1893 by Rodolphe Diesel personally.

Injector problem on a Renault Grand Scenic 2: reasons and consequences

Lack of power or acceleration

When your Renault Grand Scenic 2 lacks power, or has acceleration holes, it is undoubtedly linked to the injector. It is conceivable that this one is blocked because of the deposits. This is why it is important to use quality fuel. Make a descaling will be much cheaper than having the device replaced.

Fuel smell

When fumes of fuel are felt, it certainly comes from a fuite . If this is the case, it is better to avoid driving your Renault Grand Scenic 2. Fuel leaks are infrequent, but are relatively dangerous. So call your mechanic, he will tell you what to do. If it is a problem with the seal, you can attempt the repair. Better that the injector is not irreparably out of service.

Engine runs but does not start

The concern does not necessarily come from the injector. The reasons could be various. If ever on the other hand you are sure that the injector is the cause, it is probably due to the injection pump . The latter may be seized or contains a leak. Remember that replacing the injection pump in your Renault Grand Scenic 2 is relatively expensive, so it is essential to clearly distinguish the problem.

Maintain the injection of your Renault Grand Scenic 2

We now offer you several methods to avoid injection malfunctions.

  • Choose one fuel of a very high quality.
  • Drive a quarter of an hour to 3000 rpm Once every two or three months. The heat emitted by the engine should clean the components, and the injection obviously.
  • Drain relatively regularly.

Now you know what the malfunctions will be related to the injection of your Renault Grand Scenic 2 and several methods to avoid them. In the event that your problem does not go away, you can go to a professional, since it is a really important component of the engine. Leave us a comment if this post on injection was useful. Enjoy the road!