Why do cars hang bottles?

Automobile bottle hanging is a cleaning method of automobile engine and related accessory parts. General cleaning objects include air intake, throttle valve, intake valve, fuel injector and cylinder interior.

When "hanging a bottle", it is necessary to hang a bottle-shaped tool above the engine, and then pour the cleaning agent into the bottle-shaped tool and introduce it into the engine through the conduit to achieve the purpose of cleaning the carbon deposit. This method is called "hanging bottle" in the industry.

"Hanging bottles" is a chemical reaction, which cleans the colloid and other substances in the carbon deposit, making it undergo molecular changes and get cleaned.

Extended data:

The basic steps of "hanging bottles" to clean up carbon deposits are:

1. The vehicle should keep running and let clean liquid be sucked into the air intake;

2. First, pump the cleaning liquid at the throttle valve. At this time, the engine should maintain a certain speed, so that the cleaning liquid can fully operate and play its role;

3. Then aim at the vacuum tube of the air inlet and inject the cleaning solution. Due to the air intake effect, the cleaning liquid is sucked in through the whooshing sound. If nozzle cleaning agent is added in the process of "hanging bottles", the nozzle can be cleaned.

After that, most maintenance technicians will ask to pull the car at a high speed, let the engine run at a medium speed, and then it will be over.

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