Spotting unusual engine comportment on his car is not a good symptom. In reality, the engine unit is the main part of your car and any sign of a breakdown must be identified instantly and you must look for the cause of this malfunction. If you are ever in the situation where your Alfa Romeo 159 no longer accelerates, whether uphill or downhill, we have compiled this file to enable you discover the origin of your malfunction. To get this done, we will review most of the motives that may justified your Alfa Romeo 159 not accelerating well.

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My Alfa Romeo 159 no longer accelerates properly because of ignition:

Let’s begin our recap of the triggers that can trigger your Alfa Romeo 159 to stop accelerating properly. One of the most known triggers is that your ignition breaks down. We talk about ignition, but we can also generalize the fail to function properly to the ECU which itself can transmit bad data that will disrupt your ignition. It can appear that your Alfa Romeo 159 has been put in safety, do not be reluctant to go through this content for more details. To check that one of these concerns is not the reason why your car no longer accelerates, you will need to run your Alfa Romeo 159 through the diagnostic tool. Moreover, you can check the condition of your ignition coils, if you have several of them and one is defective it can explain the acceleration holes you come to feel, if you just have one in normal situations your Alfa Romeo 159 should not start.

My Alfa Romeo 159 no longer accelerates smoothly because of the injectors:

Let’s focus on the concerns with the injectors in your Alfa Romeo 159. If you have the feeling that your vehicle is sputtering, that it suffers a loss of power, it is reasonably likely that because of a bad fuel quality one or more of your injectors have obstructed or congested, which results in a bad air/fuel mixture sent to the engine and which will therefore automatically affect its normal performance, keep in mind to check the condition of your injectors. If within the the check you discover that one of your injectors is leaking on your Alfa Romeo 159, do not be reluctant to browse our small content to solve this failure.

My Alfa Romeo 159 no longer accelerate as before because of the accelerator cable:

Another likely justification for the fact that your vehicle 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 at a pronounced stage of wear and tear, it will not move properly in its sheath and will generate a loss of power, check the condition of wear.

My Alfa Romeo 159 no longer accelerate because of the clutch:

One of the common triggers of a Alfa Romeo 159 not accelerating when hitting the gas pedal, or not moving forward, is that your clutch disc is useless. In fact, the action of the clutch is to transfer the energy from the engine to the gearbox which will then transmit it to the wheels. If this disc is “smooth”, you will no longer be able to transfer this power to the wheels and you will discover that your Alfa Romeo 159 no longer accelerates, or at least, the engine may rev up, but the speed of your vehicle will have difficulty increasing. Browse through our content on the clutch that slips on Alfa Romeo 159, to evaluate yours and check that it is not the motive of your malfunction.

I do feel a loss of power when I accelerate with my Alfa Romeo 159 because of the fuel filter:

As much as the fuel filter is concerned, we are going through the same sort of issue as clogged injectors. If your Alfa Romeo 159 no longer accelerates and you have the feeling that it is sputtering or that you have drops when accelerating, it is possible that your fuel filter is blocked. The outcome would be that your entire intake unit is idling and therefore your engine unit lacks the fuel supply to operate normally. Don’t be reluctant to check it and change it if needed. If it turns out you have the feeling that your motor vehicle goes up in revs by itself, examine through this content it could support you to identify the cause.

My Alfa Romeo 159 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 automobiles are furnished with an increasing number of functions to limit pollution emissions, the particulate filter is part of this package. Nevertheless, depending on your use, it is possible that it can become clogged and blocked. Specifically 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 Alfa Romeo 159 does not accelerate anymore. Get it inspected out.

My Alfa Romeo 159 does no longer accelerate because of a punctured hose:

To conclude, last reason, and undoubtedly the least annoying for you, it is possible that one of your fuel or air intake hoses is punctured or cracked and that it triggers a lack of air or fuel which will bring about a car which does not accelerate any more, check under 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 Alfa Romeo 159 does not hold idle, in this case consult our content to deal with in depth the dysfunction.

If you want more guides on the Alfa Romeo 159, go to our Alfa Romeo 159 category.