You have started, the car drives without worries. Then at the first crossing, you stall. Here we are not talking about a problem at startup, but a cold problem. When the smart forfour is slightly idling when the engine is cold, it stalls. In this case, there is of course a concern. So here we will find out what are the main situations for the smart forfour to freeze in a systematic way. Depending on the problems, we will see what tips can be made. Whatever happens, it is a concern that must be taken seriously for safety reasons. It is always advisable to go to your mechanic.calle-a-cold-smart-forfour

The smart forfour engine suddenly cuts off when cold

You have been driving for a few minutes, the smart forfour engine is cold. And the latter will suddenly cut. This is a concern that can be found on almost all vehicles. In this case, some components will need to be checked. The pressure regulator . When cold, the pressure in the engine is not necessarily identical. A regulator concern can thus occur and cause pressure dissimilarities, and consequently engine shutdowns. Once the engine is warm, the pressure stabilizes and your smart forfour no longer stalls. It is therefore necessary to check the condition of the regulator and make a replacement if it is worn. An electronic problem . It is absolutely the evil of the 21st century. Electronics have many benefits on the automobile, but also negative sides. If the smart forfour stalls cold, it may well be due to an electronic problem. A faulty sensor can transfer bad information to the injection for example, and cause engine shutdowns. To find out, a check via the suitcase remains effective. An injection fault . It is a concern that can occur cold or hot. Symptoms can fluctuate with the type of concern. It is indeed very complex to diagnose a problem with injection on a smart forfour. It is necessary to examine the proper functioning of all the components, injectors, pump, etc. It is therefore advisable to have a more detailed diagnosis made by a professional. Here we have seen the particularly common problems of smart forfour which stalls cold. However, this list is endless. The causes of the problems are frequently different. Stalling for no reason is a diverted symptom of engine malfunction. A simple sensor or a simple seal can be the source of the problem. Whatever happens, it will be necessary to continue research and correct this concern which may tend to worsen.