Having a issue with your car is common, because regrettably recent automobiles are more and more complex and consequently at the mercy of more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Volkswagen Passat . This is a issue that is especially frustrating because it can sooner or later bring your vehicle to non starting or broken engine unit. To achieve this, first we will find out how injection functions, then, what are the different concerns that can exist on a Volkswagen Passat injectors , and at last, how to fix them.
What is the intent of the injection of a Volkswagen Passat ?
So we commence our content page by quickly explaining how an injection system functions so that you have all the info you need to figure out the failure affiliated with it. < br>
The injection system of a Volkswagen Passat 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 launch 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 Passat . The benefit of fuel injection is to have a much more precise dosage than a carburettor and to enable a better air/fuel mixture and consequently a better combustion.
What are the different injection problems on Volkswagen Passat ?
Now in this second component, we are going to explore the different injection problems and their manifestations that you may possibly encounter on your Volkswagen Passat .
Injection pump problems Volkswagen Passat
To start, we will find out the injection pump problems on your Volkswagen Passat , there are not many of them, they are generally recurrent but we will detail 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 consequently a bad combustion and thus alter the behavior of the engine unit of your Volkswagen Passat .
- Leakage from the injection pump of your Volkswagen Passat : 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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Regarding the consequences and manifestations of a fuel pump issue on a Volkswagen Passat , you will undoubtedly feel, a lack of power, your engine unit grazing, dark smoke emissions…
Injectors problems Volkswagen Passat
Now we proceed to the injector problems on Volkswagen Passat . Injectors are the end of your injection system, here are the different problems you may possibly encounter:
- Dirty Volkswagen Passat injectors: This can happen as a result of 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 functioning effectively.
- Leaky Volkswagen Passat injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
- Injector Volkswagen Passat HS: This is the case when your injectors are entirely clogged or when you have an electronic problem, it will not let anything go.
Concerning the symptoms of injector problems on your Volkswagen Passat it is about the same as for a defective injection pump. You may possibly experience problems with starting, throttle response, power loss, and smoke emission.
How to solve an injection issue on a Volkswagen Passat ?
To end our article on the injection problems on Volkswagen Passat , we will try to give you the solutions that exist to fix these problems.
If after a precise diagnosis it’s your injection pump that is the main cause of your problems, it will regrettably be very difficult to intervene on the problem without changing the component, this change generally goes with the replacement of the injectors, and sometimes 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 based on your concerns, here they are:
- Dirty injector: You can clean the injectors of your Volkswagen Passat , do not be reluctant to seek advice from our content page on this subject to get the procedure. 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 have the ability to change it, do not think twice to seek advice from our content page on the injectors that leak on Volkswagen Passat , to have all the solutions available to you.
- Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, in general, the replacement of an injector costs around 500 euros labor included.
If you have any further questions about the Volkswagen Passat , do not hesitate to consult our Volkswagen Passat category.
