It’s rarely a good indication that the engine in your Mercedes Viano is behaving uncommonly. This is because the engine is the main part of your vehicle and any indicator of abnormal working must be noticed straight away and you must seek out the cause of the malfunction. If it comes about that your Mercedes Viano is hesitating during acceleration, we have made this article to help you locate the cause of your malfunction. We will now take a look at all the possible causes your Mercedes Viano having hesitation in acceleration.

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Mercedes Viano WHICH hesitates while accelerating CAUSED BY THE IGNITION:

So let’s begin our summarize of the causes that can bring about hesitation during Mercedes Viano acceleration. One of the most simple causes is that your ignition does not work out. We speak about ignition, but we can also generalize the breakdown to the ECU which by itself can give bad information that will affect your ignition. It’s possible that your Mercedes Viano a has gone limp mode, don’t think twice to browse this article for more info. To be able to verify that one of these malfunctions is not the cause of your Mercedes Viano having acceleration troubles, you will have to “suitcase” your vehicle. Also, you can take a look at the condition of your ignition coils, if you have more than one and one is defective it may be the explanation for the couplings, acceleration holes that you perceive, if you only have one most of the time your Mercedes Viano should not start.

Hesitation during Mercedes Viano acceleration CAUSED BY THE INJECTORS:

Now let’s look into the injector-related mishaps of your Mercedes Viano’s fuel injectors. If you find out this sense that your vehicle is grazing, it is quite possible that due to poor fuel quality one or more of your injectors have become clogged or obstructed, leading to a bad air/fuel mixture to be sent to the engine block and consequently automatically disrupt its normal operation, do not forget to verify your injectors. If during the test you uncover that one of your injectors is leaking on your Mercedes Viano, please browse our small document to remedy this malfunction.

Hesitation during Mercedes Viano acceleration CAUSED BY THE ACCELERATOR CABLE:

Another possible justification why you feel hesitation during Mercedes Viano acceleration, whether you are driving, stationary, hot, cold or accelerating, is that your throttle cable is badly worn. If your accelerator cable is in a serious state of wear, it will not slide correctly in its sheath and will snap, verify the level of wear of your accelerator cable.

Mercedes Viano that hesitates when accelerating CAUSED BY THE FUEL FILTER:

As much as the fuel filter is associated, we’re struggling with the same form of issue as clogged injectors. If your Mercedes Viano is clutching and you feel like it is grazing or you have holes when accelerating, your fuel filter may be stuck. The consequence would be that your entire intake system would be running at idle and therefore your engine would lack fuel supply to go normally. Don’t miss to verify it and change it if required. If you ever get the feeling that your Mercedes Viano is going up in laps by itself, browse our tutorial it should help you to discern the source.

Hesitation during Mercedes Viano acceleration CAUSED BY THE PARTICULATE FILTER:

The ultimate justification for an hesitating Mercedes Viano during acceleration. Modern cars are built with increasingly more options to limit emissions, the particulate filter is part of this package. On the other hand, based on how you use it, it can become clogged and dirty. Specifically if you drive short distances and don’t push your engine hard very often. If this is the case, it is possible that your ACP could become stopped up and your Mercedes Viano could give you acceleration complications. Have it tested.

Hesitation during Mercedes Viano acceleration CAUSED BY A PUNCTURED HOSE:

In conclusion, the last issue, and surely the least frustrating for you, it is possible that one of your fuel or air intake hoses is punctured or cracked and that it causes a lack of air or fuel which will result in an Mercedes Viano that gives acceleration troubles, verify under your hood, engine on, the level of wear of your hoses, be careful not to burn yourself. If this happens to you, your Mercedes Viano may not be able to idle, in which case take a look at our little page to fix the malfunction in depth.

If perhaps you have any additional questions about the Mercedes Viano, do not hesitate to consult our Mercedes Viano category.