Having a problem with your motor vehicle is basic, because unfortunately recent automobiles are more and more difficult 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 Cadillac DTS . This is a problem that is particularly bothersome because it can eventually bring your vehicle to non starting or broken engine unit. To do this, first we will see how injection works, then, what are the different problems that can exist on a Cadillac DTS injectors , and at last, how to fix them.

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What is the goal of the injection of a Cadillac DTS?

So we commence our content by quickly detailing how an injection system works so that you have all the information you need to figure out the failure affiliated with it. < br>
The injection system of a Cadillac DTS handles the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit to be a lot 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 relieve the fuel in the form of micro-drops into the cylinders of your Cadillac DTS. 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 Cadillac DTS?

Now in this second part, we are going to see the different injection problems and their symptoms that you may possibly face on your Cadillac DTS .

Injection pump problems Cadillac DTS

To begin, we will see the injection pump problems on your Cadillac DTS, there are not many of them, they are generally persistent but we will outline them below:

  • Electronic problem of the high pressure pump: If you have an electronic problem, 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 Cadillac DTS.
  • Leakage from the injection pump of your Cadillac DTS: 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 results and symptoms of a fuel pump problem on a Cadillac DTS , you will certainly experience, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Cadillac DTS

Now we move on to the injector problems on Cadillac DTS . Injectors represent the end of your injection system, here are the different problems you may possibly encounter:

  • Dirty Cadillac DTS injectors: This can happen due to 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 working effectively.
  • Leaky Cadillac DTS injector: It’s generally at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Cadillac DTS 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 signs of illness of injector problems on your Cadillac DTS it is about the same as for a defective injection pump. You may possibly encounter problems with starting, throttle response, power loss, and smoke emission.

How to resolve an injection problem on a Cadillac DTS?

To conclude our article on the injection problems on Cadillac DTS , we will try to give you the solutions that exist to fix these problems.
If after a precise analysis it’s your injection pump that is the source of your problems, it will unfortunately be very complicated to intervene on the issue without replacing the part, 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.
Regarding a problem with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Cadillac DTS, do not hesitate to seek advice from our content 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 be able to replace it, do not think twice to seek advice from our content on the injectors that leak on Cadillac DTS, to have all the solutions available to you.
  • Injector HS: Finally, last solution, 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 tutorials on the Cadillac DTS, go to our Cadillac DTS category.