As soon as the injection system falls into breakdown it can be extremely unpleasant. Usually, it is noticed in fuel effluxes or a lack of power. The problem comes from the injectors? from the injection pump? We will answer these questions to best identify the problem. But first, it may be essential to understand the principle of the injection system .
Injection system on a smart forfour: how it works
In order to function properly, the engine of this smart forfour requires a mixture of air and fuel. It is injector which allows this mixture to be sent inside the engine. If the injector has a problem, the smart forfour may not start. The injection system is made of pumps and injectors , sometimes linked through a common rail . The very first injection engine was designed in 1893 by Rodolphe Diesel personally.
Injector problem on a smart forfour: reasons and consequences
Lack of power or acceleration
If your smart forfour lacks power, or even has acceleration holes, it is certainly due to the injector. It is likely that it is dirty due to deposits. This is why it is important to use a qualitative fuel. Make a descaling will be much cheaper than having the device replaced.
Fuel smell
When fuel effluxes arrive, it must certainly come from a fuite . When this happens, avoid driving with this smart forfour. Fuel leaks are infrequent but relatively serious. So call your mechanic, who will explain what to do. When it is a joint, you will be able to try the repair. Hoping that the injector is not irretrievably HS.
Engine runs but does not start
The problem does not always come from the injector. The reasons could be many. If on the other hand you are certain that the injector is the source, it is certainly due to the injection pump . It happens that it is seized or contains a leak. Be aware that replacing the injection pump of your smart forfour is relatively expensive, it is therefore essential to correctly identify the problem.
Maintain the injection of your smart forfour
Here are now some solutions to get ahead of injection concerns.
- Put one fuel of good quality.
- Drive about 15 minutes to 3000 revolutions per minute 1 time every two months. The heat generated by the engine will then clean the components, as well as the injection of course.
- Drain relatively frequently.
Now you know what are the concerns with injecting your smart forfour and some tips to avoid them. In the event that this problem remains, you can go to a garage, because it is an extremely important part of the engine. Leave a comment if ever this post on the injection was useful. See you soon!