Ford Mondeo won completely, and it was difficult to start the cold car and the hot car stopped for 20 minutes. Replace fuel pump, gasoline grille, spark plug, cleaning oil circuit and throttle valve.

The engine cylinder gasket is not well sealed, and water seeps into the engine.

Check whether there is water consumption, and at the same time check whether there is oil stain or floc in the kettle.

Remove the spark plug and see if the top discharge part is red. At the same time, observe whether there are water marks in the spark plug hole after parking.

If there are the above problems, it can be determined that the cylinder gasket is leaking.

Replace cylinder gasket and valve cover gasket. The repair shop outside is estimated to be around 400 to 500 yuan, depending on the cost of working hours. Generally, two sets of cushions are around 300 yuan.

If there are marks on the cylinder top, it is necessary to bore the cylinder top with a boring machine, and the cost is about 400 to 500. It can also be polished repeatedly with extra fine sandpaper, but it is very manual.

If you don't want to drill holes in the cylinder block, you can also replace the asbestos cylinder gasket. Compared with metal gasket, it has sealing function and can be waterproof. But the service life is relatively short, about three years.