The Great Wall M4 accelerator is out of order. When driving normally, the throttle suddenly fails. The car idled at a low speed, began to shake and finally turned off. It will be normal to take a taxi

The Great Wall M4 accelerator is out of order. When driving normally, the throttle suddenly fails. The car idled at a low speed, began to shake and finally turned off. It will be normal to take a taxi again. Display fault code The Great Wall M4 accelerator is out of order. When driving normally, the throttle suddenly fails. The car idled at a low speed, began to shake and finally turned off. It will be normal to take a taxi again. Displays the fault code,

High-end automobile engine maintenance; The engine compression ratio is required to be 97, and changing it to 93 will affect the engine working condition for a long time. The best way is to use fuel according to the engine compression ratio requirements of the manufacturer, and clean the oil circuit regularly to improve the blackening of the exhaust pipe caused by poor fuel combustion. The common practice is to add two kinds of fuel additives to the fuel tank, which will gradually become shallow after running for 30 kilometers. After 1000 kilometers, that is, after adding two boxes of oil, it will become metallic.