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Video on installing a valve • Installing a check valve when bad... In general, I could not understand for a long time why the car cranks the starter for a long time in the morning until it starts up. I had to crank it for 2-3 seconds. I was advised to change the glow plugs, but everything turned out to be much simpler. On the STO Kovsh channel I found a video where they showed how to solve exactly the same problem as mine, in general, as I understand it, due to age, the injectors become leaky, fuel from the injectors goes into the return line overnight, to prevent this, they put a valve on the return line. I will leave a link to the valve below in the description. You will also need a piece of hose with an internal diameter of 4 mm, you can order it in the STO Kovsh store, I didn’t find it in the description, tell the manager, he will understand, its number is 0673246424 I don’t know how long this valve will last, we will see) Link to the valve: https://kovsh.com/shop/fuel_systems_c... Link to the video STO Kovsh: • How to eliminate air leakage from injectors...