Mechanics is a rather methodical profession. However, if there is indeed a phenomenon that is at times difficult to understand, it is an unstable idle or acceleration holes. Whether it concerns a Renault Kangoo Rx-4, or for any other type of automobile. However, we are here to help you. Indeed, the reason can come from many parts of the engine block, even electronic. To detect the nature of the failure of your Renault Kangoo Rx-4, you must comply with a strict procedure. But first of all, we will see the symptoms of a slowed down idle.idle-problem-Renault-Kangoo-Rx-4

Idling problem on a Renault Kangoo Rx-4: the symptoms

Un unstable idle close to stall . This is undoubtedly the most recurrent dysfunction in slow motion. This impression that the vehicle will stall while driving at a normal pace, or that the Renault Kangoo Rx-4 grazes . It happens that the vehicle stalls. It is therefore a real danger for the driver. In this case, don't wait too long to take care of it. We suggest that you carry out your own diagnosis through the following paragraph. We can also understand that your Renault Kangoo Rx-4 has a acceleration malfunction . More report this time with a low speed dysfunction. Losses of power and acceleration holes could happen for various reasons. These two phenomena should not be confused. We invite you to read our articles on power losses.

Renault Kangoo Rx-4: developing a diagnosis to understand the origin of the idle

You have to start by carrying out a number of relatively easy checks, just before going into more detail.

Idling of the Renault Kangoo Rx-4: exhaust fumes.

A black smoke escapes from the exhaust. This generally means that the air and fuel mixture is out of order. Or that the air filter is clogged. In both situations, an idle malfunction can occur on the Renault Kangoo Rx-4. A White smoke escapes from the exhaust. This time too it can be the result of a deregulation. White smoke is usually water vapor. It is thus likely that it is a malfunction of the intake or of the cylinder head gasket.

Checking the engine block components

As we have seen, an idle malfunction on the Renault Kangoo Rx-4 can come from several components. It is therefore necessary to take the time to scan the engine block carefully. On the other hand, it is still suggested to be extremely careful and not to touch the elements of the engine block too much, as this can amplify the malfunction or divert the cause of the malfunction. We naturally advise you to go to a garage for a more suitable diagnosis. Here are step by step the components to check.

  • The first thing to do is check all of the hoses . These can be pierced or even detached.
  • It will also be necessary to examine the sensors and sensors of your engine block. It is nevertheless difficult to control their proper functioning. You can find tutorials on youtube, and that usually requires electronic devices.
  • Perform a control of pressures hydraulic. Again, pressure checks require suitable equipment.

Idle malfunctions are common, however, are difficult to diagnose. A visual check on your Renault Kangoo Rx-4 allows you to have a clearer vision, however it is better not to tackle amateur DIY.