Having a issue with your car is basic, because sadly recent vehicles are more and more complex and consequently subject to more and more possible breakdowns. Today we’re going to try to help you to fix an injection problem on your Volkswagen Polo . This is a issue that is particularly irritating because it can ultimately bring your vehicle to non starting or broken engine unit. To do this, first we will see how injection functions, then, what are the different concerns that can exist on a Volkswagen Polo injectors , and finally, how to fix them.
What is the aim of the injection of a Volkswagen Polo?
So we commence our content by quickly explaining how an injection system functions so that you have all the information you need to discover the failures connected with it. < br>
The injection system of a Volkswagen Polo manages the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit to be far more precise and to come, under pressure, to release the fuel in the engine unit. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will discharge the fuel in the form of micro-drops into the cylinders of your Volkswagen Polo. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.
What are the different injection complications on Volkswagen Polo?
Now in this second part, we are going to see the different injection complications and their manifestations that you might encounter on your Volkswagen Polo .
Injection pump complications Volkswagen Polo
To start, we will see the injection pump complications on your Volkswagen Polo, there are not many of them, they are often 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 may be too high or too low which will bring about a bad air/fuel mixture and consequently a bad combustion and thus alter the performance of the engine unit of your Volkswagen Polo.
- Leakage from the injection pump of your Volkswagen Polo: If you have a significant leakage problem, the end result will be much the same as if you have a lack of pressure, you will not have enough pressure and consequently the combustion of your fuel will not be good
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Concerning the outcomes and manifestations of a fuel pump issue on a Volkswagen Polo , you will obviously feel, a lack of power, your engine unit grazing, dark smoke emissions…
Injectors complications Volkswagen Polo
Now we move on to the injector problems on Volkswagen Polo . Injectors represent the end of your injection system, here are the different complications you might encounter:
- Dirty Volkswagen Polo 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 potentially have one or more cylinders that are not working properly.
- Leaky Volkswagen Polo injector: It’s often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
- Injector Volkswagen Polo HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.
Regarding the symptoms of injector complications on your Volkswagen Polo it is about the same as for a faulty injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.
How to solve an injection issue on a Volkswagen Polo?
To conclude our content page on the injection complications on Volkswagen Polo , we will try to give you the solutions that exist to fix these complications.
If after a precise investigation it’s your injection pump that is the main cause of your complications, it will sadly be very complicated to intervene on the issue without replacing the part, this change often goes with the replacement of the injectors, and in some cases the tank, it will take between 2000 and 3000 euros for the whole, try to get some diagnostics and estimates before starting any repair.
Concerning a issue with an injector there are different solutions depending on your concerns, here they are:
- Dirty injector: You can clean the injectors of your Volkswagen Polo, do not be reluctant to consult our content on this subject to get the process. If it doesn’t work, you will have to replace 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 be able to change it, do not think twice to consult our content on the injectors that leak on Volkswagen Polo, to have all the solutions available to you.
- Injector HS: Finally, last solution, your injector is broken or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.
If you wish more guides on the Volkswagen Polo, go to our Volkswagen Polo category.
