Having a issue with your motor vehicle is basic, because sadly recent automobiles are more and more complex and consequently at the mercy of more and more possible breakdowns. On this page we’re going to try to help you to fix an injection problem on your Mazda CX 7 . This is a issue that is specially frustrating because it can eventually bring your vehicle to non starting or damaged engine. To achieve this, first we will find out how injection functions, then, what are the different concerns that can exist on a Mazda CX 7 injectors , and at last, how to fix them.

injection-problem-mazda-cx-7

What is the intent of the injection of a Mazda CX 7?

So we start our content page by promptly 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 Mazda CX 7 manages the fuel intake into the engine , it replaces the old carburettors. It has the advantage to be far more precise and to come, under pressure, to launch 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 Mazda CX 7. The advantage 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 complications on Mazda CX 7?

Now in this second part, we are going to explore the different injection complications and their symptoms that you may possibly confront on your Mazda CX 7 .

Injection pump complications Mazda CX 7

To begin, we will find out the injection pump complications on your Mazda CX 7, there are not many of them, they are generally persistent but we will highlight 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 behavior of the engine of your Mazda CX 7.
  • Leakage from the injection pump of your Mazda CX 7: If you have a major 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

.
Regarding the outcomes and symptoms of a fuel pump issue on a Mazda CX 7 , you will most certainly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors complications Mazda CX 7

Now we proceed to the injector problems on Mazda CX 7 . Injectors are the end of your injection system, here are the different complications you may possibly encounter:

  • Dirty Mazda CX 7 injectors: This can happen because of poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will possibly have one or more cylinders that are not functioning effectively.
  • Leaky Mazda CX 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 Mazda CX 7 HS: This is the circumstance when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Regarding the symptoms of injector complications on your Mazda CX 7 it is about the same as for a faulty injection pump. You may possibly experience problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Mazda CX 7?

To conclude our content on the injection complications on Mazda CX 7 , we will try to give you the solutions that exist to fix these complications.
If after a precise analysis it’s your injection pump that is the main cause of your complications, it will sadly be very difficult to intervene on the trouble without changing 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 some diagnostics and estimates before starting any repair.
Regarding a issue with an injector there are different solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mazda CX 7, do not be reluctant to consult our content page 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 hesitate to consult our content page on the injectors that leak on Mazda CX 7, to have all the solutions available to you.
  • Injector HS: Finally, last solution, your injector is damaged or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

If you have any further questions about the Mazda CX 7, do not hesitate to consult our Mazda CX 7 category.