Moin, I’ve been having a problem with my Chevrolet for quite some time now and I was hoping that I might be able to help here. As soon as it gets cold (from low one-digit plus temperatures) my car has a lot of problems to start. In the last about 3 years so far battery, glow plugs and the control unit for the incandescent time have been changed. The start now looks like this, I activate the ignition (fuel pump is then also audible) and then deactivate it again, this process like When I try to start it it sounds like in the attached audio file. After a short wait I try it again with the same procedure. Most of the time the car starts with this or another try. I know that I have to go to the workshop with it, but it would be good if I could already limit the problem a bit because I was already told in the workshop that the troubleshooting can take from an hour to a day. e. In addition, I noticed that the engine does not really come to temperature during the ride and the temperature display always remains approximately at half the usual temperature. Did the car run in the stand, then it comes to temperature. Maybe this is somehow related that a temperature sensor is defective? When I ran it in the stand, however, the error code 79 appeared at some point. However, the last oil change was not a year ago and e. If the engine is switched off and restarted, the display is gone and does not show up again. By the way, the year of construction is 2012, Diesel Does anyone have any idea what the opener could be?