Having a issue with your car is basic, because regrettably recent automobiles are more and more complex and therefore be subject to more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Nissan Sentra . This is a issue that is specially frustrating because it can eventually bring your vehicle to non starting or damaged engine. To get this done, first we will see how injection functions, then, what are the different problems that can exist on a Nissan Sentra injectors , and finally, how to fix them.
What is the aim of the injection of a Nissan Sentra?
So we start our content page by quickly detailing how an injection system functions so that you have all the info you need to understand the failure connected with it. < br>
The injection system of a Nissan Sentra manages the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be a lot more precise and to come, under pressure, to release the fuel in the engine. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will release the fuel in the form of micro-drops into the cylinders of your Nissan Sentra. The advantage of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and therefore a better combustion.
What are the different injection problems on Nissan Sentra?
Now in this second part, we are going to explore the different injection problems and their symptoms that you may come across on your Nissan Sentra .
Injection pump problems Nissan Sentra
To start, we will see the injection pump problems on your Nissan Sentra, there are not many of them, they are generally frequent but we will outline them below:
- Electronic issue of the high pressure pump: If you have an electronic issue, the pressure in your injection system might be too high or too low which will cause a bad air/fuel mixture and therefore a bad combustion and thus alter the performance of the engine of your Nissan Sentra.
- Leakage from the injection pump of your Nissan Sentra: If you have a major leakage problem, the result will be much the same as if you have a lack of pressure, you will not have enough pressure and therefore the combustion of your fuel will not be good
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Regarding the results and symptoms of a fuel pump issue on a Nissan Sentra , you will most certainly feel, a lack of power, your engine grazing, dark smoke emissions…
Injectors problems Nissan Sentra
Now we proceed to the injector problems on Nissan Sentra . Injectors are the end of your injection system, here are the different problems you may encounter:
- Dirty Nissan Sentra injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are entirely clogged. So you will probably have one or more cylinders that are not working effectively.
- Leaky Nissan Sentra injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
- Injector Nissan Sentra HS: This is the circumstance when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.
Regarding the signs of illness of injector problems on your Nissan Sentra it is about the same as for a faulty injection pump. You may encounter problems with starting, throttle response, power loss, and smoke emission.
How to get rid of an injection issue on a Nissan Sentra?
To finish our content page on the injection problems on Nissan Sentra , we will try to give you the solutions that exist to fix these problems.
If after a precise investigation it’s your injection pump that is the source of your problems, it will regrettably be very complicated to intervene on the problem without replacing the part, this change generally goes with the replacement of the injectors, and occasionally the tank, it will take between 2000 and 3000 euros for the whole, try to get several diagnostics and estimates before starting any repair.
Regarding a issue with an injector there are various solutions depending on your concerns, here they are:
- Dirty injector: You can clean the injectors of your Nissan Sentra, do not hesitate to consult our content page on this subject to get the process. If it doesn’t work, you will have to change them.
- Leaky injector: The change and the purchase of a joint kit will only cost you a few tens of euros, but you still need to have the ability to change it, do not hesitate to consult our content page on the injectors that leak on Nissan Sentra, to have all the solutions available to you.
- Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.
If you wish more guides on the Nissan Sentra, go to our Nissan Sentra category.
