Having a problem with your motor vehicle is common, because unfortunately 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 resolve an injection problem on your Bmw Serie 7 . This is a problem that is especially irritating because it can sooner or later bring your car to non starting or damaged engine. To do this, first we will see how injection functions, then, what are the different problems that can exist on a Bmw Serie 7 injectors , and finally, how to resolve them.
What is the intent of the injection of a Bmw Serie 7?
So we start our content page by quickly detailing how an injection system functions so that you have all the info you need to figure out the failures connected with it. < br>
The injection system of a Bmw Serie 7 handles the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be much more precise and to come, under pressure, to discharge 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 Bmw Serie 7. 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 Bmw Serie 7?
Now in this second component, we are going to see the different injection problems and their signs of illness that you may possibly come across on your Bmw Serie 7 .
Injection pump problems Bmw Serie 7
To begin, we will see the injection pump problems on your Bmw Serie 7, there are not many of them, they are generally chronic but we will highlight them down below:
- Electronic problem of the high pressure pump: If you have an electronic problem, the pressure in your injection system may be too high or too low which will trigger a bad air/fuel mixture and therefore a bad combustion and thus alter the performance of the engine of your Bmw Serie 7.
- Leakage from the injection pump of your Bmw Serie 7: 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 therefore the combustion of your fuel will not be good
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Concerning the results and signs of illness of a fuel pump problem on a Bmw Serie 7 , you will most certainly feel, a lack of power, your engine grazing, dark smoke emissions…
Injectors problems Bmw Serie 7
Now we move on to the injector problems on Bmw Serie 7 . Injectors are the end of your injection system, here are the different problems you may possibly encounter:
- Dirty Bmw Serie 7 injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are completely clogged. So you will potentially have one or more cylinders that are not working properly.
- Leaky Bmw Serie 7 injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
- Injector Bmw Serie 7 HS: This is the case when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.
Concerning the symptoms of injector problems on your Bmw Serie 7 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 resolve an injection problem on a Bmw Serie 7?
To finish our article on the injection problems on Bmw Serie 7 , we will try to give you the solutions that exist to resolve these problems.
If after a precise investigation it’s your injection pump that is the main cause of your problems, it will unfortunately be very complicated to intervene on the trouble without changing the component, this change generally 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 problem with an injector there are different solutions based on your concerns, here they are:
- Dirty injector: You can clean the injectors of your Bmw Serie 7, do not be reluctant to consult our content page on this subject to get the procedure. 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 be able to change it, do not think twice to consult our content page on the injectors that leak on Bmw Serie 7, to have all the solutions available to you.
- Injector HS: Finally, last remedy, your injector is broken or doesn’t work anymore, in general, the replacement of an injector costs around 500 euros labor included.
If you need more guides on the Bmw Serie 7, go to our Bmw Serie 7 category.
