As already mentioned, the irregular ignition of the fuel-air mixture is the primary cause behind the knocking sound in engines. In a properly functioning engine, the mixture combusts when it comes in contact with the flame front created by the spark. The combustion of the mixture is accurately...
Is it safe to drive with a knocking sound? Knocking can be a sign of a serious problem with your engine, so you should avoid driving and book a diagnostic test as soon as possible. Using your car when it is making a knocking sound can be dangerous, and you may end up with a more...
题目It was an extremely cold December night, and I had just settled into the living room sofa with a book when I heard a sharp knocking on the front door. The sound frightened me, mainly because it was 8:45 PM, quite dark outside, and I was alone. My husband had...