Spotting strange engine comportment on his car is not a good indication. In fact, the engine motor is the main part of your car and any indication of a breakdown must be noticed directly and you must seek out the trigger of this malfunction. If you are ever in the situation where your Renault Master no longer accelerates, whether uphill or downhill, we have compiled this page to help you figure out the source of your failure. To get this done, we will inspect most of the reasons that may justified your Renault Master not accelerating efficiently.


My Renault Master no longer accelerates properly because of ignition:

Let’s start our recap of the causes that can trigger your Renault Master to stop accelerating properly. One of the most known causes is that your ignition does not work properly. We talk about ignition, but we can also extend to the fail to function properly to the ECU which itself can transmit bad data that will disturb your ignition. It can appear that your Renault Master has been put in safety, do not hesitate to go through this content for more information. To check that one of these trouble is not the reason why your car no longer accelerates, you will need to run your Renault Master through the diagnostic tool. Furthermore, you can check the state of your ignition coils, if you have several of them and one is defective it can clarify the acceleration holes you feel, if you just have one in normal circumstances your Renault Master should not start.

My Renault Master no longer accelerates smoothly because of the injectors:

Let’s concentrate on the trouble with the injectors in your Renault Master. If you have the feeling that your car is sputtering, that it suffers a loss of power, it is quite likely that because of a bad fuel quality one or more of your injectors have blocked or clogged, which ends in a bad air/fuel mixture sent to the engine and which will as a consequence mechanically disturb its normal operation, do not forget to check the state of your injectors. If within the the test you discover that one of your injectors is leaking on your Renault Master, do not hesitate to browse our small content to remedy this malfunction.

My Renault Master no longer accelerate as before because of the accelerator cable:

Another possible justification for the fact that your car no longer accelerates, whether you are driving, stationary, hot, cold or accelerating, is a pronounced wear of your accelerator cable. If the accelerator cable is getting old and tear, it will not slide correctly in its sheath and will create a loss of power, check the condition of wear.

My Renault Master no longer accelerate because of the clutch:

One of the common causes of a Renault Master not accelerating when hitting the gas pedal, or not moving forward, is that your clutch disc is outdated. The fact is, the action of the clutch is to transfer the power from the engine to the gearbox which will then transmit it to the wheels. If this disc is “smooth”, you will no longer have the ability to transfer this power to the wheels and you will discover that your Renault Master no longer accelerates, or at least, the engine may rev up, but the speed of your car will have difficulty increasing. Browse through our content on the clutch that slips on Renault Master, to test yours and check that it is not the trigger of your failure.

I do feel a loss of power when I accelerate with my Renault Master because of the fuel filter:

As far as the fuel filter is concerned, we are struggling with the same type of trouble as blocked injectors. If your Renault Master no longer accelerates and you have the impression that it is sputtering or that you have drops when accelerating, it is possible that your fuel filter is blocked. The effect would be that your complete intake unit is idling and therefore your engine motor lacks the fuel supply to function properly. Don’t hesitate to check it and replace it if appropriate. In the event you have the impression that your motor vehicle rises in revs by itself, examine through this content it could help you to identify the cause.

My Renault Master does not accelerate any more because of the particulates filter:

The last explanation for a car not accelerating, comes from your exhaust system. Today’s vehicles are furnished with more and more features to limit pollution emissions, the particulate filter is part of this package. But, depending on your use, it is possible that it can become clogged and blocked. Especially if you make short trips and can mount your car in the RPM. In this instance it is possible that your particle filter gets clogged and that your Renault Master does not accelerate anymore. Get it checked out.

My Renault Master does no longer accelerate because of a punctured hose:

To conclude, last reason, and most certainly the least annoying 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 bring about a car which does not accelerate any more, check below your bonnet, engine running, the level of wear of your hoses, be careful not to burn yourself. If ever you are in this situation, it is possible that your Renault Master does not hold idle, in this case consult our content to deal with in depth the dysfunction.

To get more tips on the Renault Master, take a look at the Renault Master category.