Having a issue with your motor vehicle is traditional, because sadly recent vehicles are more and more difficult and therefore subject to more and more possible breakdowns. Today we’re going to try to help you to solve an injection problem on your Peugeot 407 . This is a issue that is especially bothersome because it can sooner or later bring your vehicle to non starting or damaged engine. To achieve this, first we will see how injection works, then, what are the different concerns that can exist on a Peugeot 407 injectors , and finally, how to solve them.

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What is the purpose of the injection of a Peugeot 407?

So we begin our content page by promptly detailing how an injection system works so that you have all the info you need to discover the failure affiliated with it. < br>
The injection system of a Peugeot 407 controls the fuel intake into the engine , it replaces the old carburettors. It has the benefit to be a lot 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 Peugeot 407. 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 therefore a better combustion.

What are the different injection problems on Peugeot 407?

Now in this second component, we are going to discover the different injection problems and their signs of illness that you might come across on your Peugeot 407 .

Injection pump problems Peugeot 407

To commence, we will see the injection pump problems on your Peugeot 407, there are not many of them, they are quite often chronic but we will outline them down 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 therefore a bad combustion and thus alter the behavior of the engine of your Peugeot 407.
  • Leakage from the injection pump of your Peugeot 407: If you have a major leakage problem, the consequence 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 outcomes and signs of illness of a fuel pump issue on a Peugeot 407 , you will most certainly experience, a lack of power, your engine grazing, dark smoke emissions…

Injectors problems Peugeot 407

Now we move on to the injector problems on Peugeot 407 . Injectors are the end of your injection system, here are the different problems you might encounter:

  • Dirty Peugeot 407 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 probably have one or more cylinders that are not working effectively.
  • Leaky Peugeot 407 injector: It’s quite often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Peugeot 407 HS: This is the circumstance when your injectors are completely clogged or when you have an electronic problem, it will not let anything go.

Concerning the signs of illness of injector problems on your Peugeot 407 it is about the same as for a defective injection pump. You might encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Peugeot 407?

To conclude our content on the injection problems on Peugeot 407 , we will try to give you the solutions that exist to solve these problems.
If after a precise investigation it’s your injection pump that is the cause of your problems, it will sadly be very complicated to intervene on the trouble without changing the component, this change quite often 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.
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 Peugeot 407, do not think twice to consult our content page on this subject to get the procedure. If it doesn’t work, you will have to replace them.
  • Leaky injector: The replace 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 replace it, do not think twice to consult our content page on the injectors that leak on Peugeot 407, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is damaged or doesn’t work anymore, generally speaking, the replacement of an injector costs around 500 euros labor included.

If you wish more tutorials on the Peugeot 407, go to our Peugeot 407 category.