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The glow plug relay is an important device that occurs in compression ignition engines. It is a kind of controller that initiates the heating process of glow plugs, and also informs us when they are sufficiently warmed up and ready to ignite. This is a small element that is of great importance for the operation of our car. Defects related to the glow plug relay lead in a straight line to ignition problems or can completely prevent the engine from starting.
What is the characteristics of a damaged glow plug relay?
After setting the key to ignition position, the candle relay activates, which checks if the heating of the glow plugs is needed and notifies us when we can safely start the car. Problems with the relay give the following symptoms: candle heating takes too long, the indicator light does not indicate heating, problems with starting the engine appear or it is impossible, an error code has been generated, the engine after starting has a tendency to work unevenly and abundantly smoke. In this case, you should immediately visit a mechanic to make a diagnosis.
Is the glow plug relay an expensive component?
Much, of course, depends on the car model we have. A new relay can cost up to several hundred zlotys. Sometimes, the replacement of this subassembly is necessary because the repair proves impossible or too expensive. Then, we will not bypass the obligation to buy a new relay. Of course, there is a proven way to avoid expensive expenses, which is buying a used part. In this category you will find glow plug relays that have been verified by experienced mechanics. These parts are one hundred percent functional, which for many years will guarantee you impeccable work. The advantage is the affordable price that will allow drivers to replace a faulty glow plug relay without spending a lot of money. By buying the original part, you can be sure that it will work better with the glow plugs in your car.

