When the injection system falls into breakdown this remains very annoying. Generally, this is noticed with fuel fumes or loss of acceleration. The malfunction comes from the injectors? from the injection pump? We will answer these questions in order to correctly determine your dysfunction. But above all, it remains essential to understand the injection system operation .injector-fault-Renault-Dezir

Injection system on a Renault Dezir: how it works

In order to work well, the engine of the Renault Dezir requires a mixture of air and fuel. It is injector which gives the possibility of propelling this mixture into the engine. It is for this reason that if the injector malfunctions, the Renault Dezir may not start. An injection system consists of a pumps and injectors , linked regularly through a common rail . The first model of injection engine was developed in 1893 by Rodolphe Diesel in person.

Injector problem on a Renault Dezir: reasons and consequences

Lack of power or acceleration

If your Renault Dezir ever loses power, or has power holes, it is probably linked to the injector. It remains possible that this one is dirty because of waste. It is for this reason that it is essential to use a qualitative fuel. Perform a descaling will be less expensive than having the device replaced.

Fuel smell

If fuel fumes arrive, it probably comes from a fuite . If this is what is happening, avoid driving with the Renault Dezir. Leaks will be infrequent, however, rather serious. So go to your garage, the latter will know what to do. If it is a joint, you will be able to make a repair. Hoping that the injector is not clearly HS.

Engine runs but does not start

The malfunction does not necessarily come from the injector. The reasons could be many. However, when you are certain that the injector is the source, it is probably related to the injection pump . This may be seized or have a leak. Remember that replacing the injection pump of your Renault Dezir is rather expensive, so it is essential to identify the malfunction.

Maintaining the injection of your Renault Dezir

Here are now various techniques to avoid injection malfunctions.

  • Select a fuel qualitative.
  • Take a ride for about 15 minutes at 3000 rpm once every two or three months. The heat emitted by the engine will then clean the components, as well as the injection on the way.
  • Drain rather often.

Now you know what the malfunctions are related to the injection of your Renault Dezir and various techniques to avoid them. In the event that your breakdown remains, do not hesitate to go to a professional, since it is a frankly important element of the engine. Leave us a comment if this injection text has been useful to you. Enjoy the road!