As soon as you descend below a particular speed your car starts to slow down and quite often even the engine stops for no apparent reason?
It seems obvious that this is abnormal. In this article we will try to give an answer so that you can see more clearly before perhaps going to the garage and get a steep bill to mend your Cadillac CTS.
Obviously, if this happens when driving at quite high speeds, do not take any more avoidable risks. Call a professional urgently. Imagine that this happens to you on the ring road or highway….
First thing to take into account, and it may seem odd, but it has occurred to some people before: Do you get fuel all the time at the same pump for your Cadillac CTS? In this case, it could come from there. Try changing gas pumps, and see what happens. This is improbable but it doesn’t cost much to try it. The fuel you get from here may contain dirt or impurities that damage your Cadillac CTS’s engine.
If nothing changes, let’s consider the more technical causes you are confronted with on your Cadillac CTS.
Electronic part of your Cadillac CTS :
The first element is the MCU (Motor Control Unit) box. You may wonder what this piece is. In a few words , it is a metal box composed of a multitude of electronic elements whose functionality is to receive electrical signals, developing these data, and sending information to the various parts of your Cadillac CTS. It is a base to manage your car’s information.
As you have understood, if it were to not work properly, the consequences could be serious for your Cadillac CTS. A motor that stops can be a indication.
Apart from that, look at the engine speed sensor side, or the onboard computer. It is a platform for exchanging calculations and is consequently vital to the engine.
Another most likely targeted box is the built-in systems interface, which centralizes all the information from the multiple sensors throughout your vehicle. It functions as a relay platform for all your calculators. It is comparable in some ways to a computer motherboard. So you understand the importance of this on your Cadillac CTS.
As to sensors, also consider your TDC sensor.Its role is to transmit information to the calculators regarding the position of the pistons in in an attempt to determine the engine speed, which will then determine the fuel injection.
Last but not least, consider your alternator, which would no longer allow your Cadillac CTS to be powered. Same concern if it originated from the ignition coil.
Finally, because this case is much rarer, it might happen that a wire or connection is damaged, and your computer could no longer perform properly.
So here’s for the electronic causes. Let’s now look at the mechanics on your Cadillac CTS.
Mechanical part of your Cadillac CTS :
First, only a blocked filter can affect the life of your engine. Bear in mind to clean it regularly. The injection pump, or also the pressure regulator, are also parts to be examined.
The idle actuator could also very well be involved .
Its purpose is to regulate the engine speed as part of the all around idle control of the engine management system. Thereforedirectly affecting the engine .
Another factor, more rare but also possible, is Neiman’s contactor. It is what allows to secure the steering wheel for safety when the ignition is turned off. It is related to the engine so a failure may well also have effects on the Cadillac CTS’s engine.
Here are the main causes, whether electronic or mechanical, that could result in your Cadillac CTS to slow down.
In a few words, first verify the simplest things, dirty pieces, then identify about the electronic parts that may be involved.
If you were about to start fixing on your own, be really cautious on what you do, there is no substitute for the expertise of a professional.
To discover more tips on the Cadillac CTS, take a look at the Cadillac CTS category.