Traditional Culture Encyclopedia - The 24 Solar Terms - Is it necessary to clean the throttle, nozzle and three-way catalytic cleaning of BMW?
Is it necessary to clean the throttle, nozzle and three-way catalytic cleaning of BMW?
When car owners go to 4S for maintenance, they often promote various maintenance items through after-sales service, such as throttle cleaning, nozzle cleaning, engine residue cleaning, fuel system cleaning and three-way catalytic cleaning. Here, it is emphasized whether it is necessary to clean the throttle and nozzle. Throttle cleaning is the most mentioned cleaning service in after-sales service, and I personally think it needs cleaning. Different models, driving habits and road conditions require different cleaning times. If the vehicle has problems such as cold start, secondary fire, shaking, idling flameout, low-speed flameout, and increased fuel consumption, if other reasons cannot be found, consider whether the throttle valve needs to be cleaned. Generally, it needs to be cleaned when driving for about 40,000 kilometers, but BMW models may need a longer cleaning cycle. If there is more idle speed and more traffic jams, the cleaning cycle will be shortened. If there is no problem with the normal use of the vehicle, the fuel consumption is slightly better, and the throttle has not been cleaned for a short time, you can try it. Nozzle cleaning is generally unnecessary, as long as the fuel additive is used occasionally, the nozzle can be kept clean at ordinary times. Cleaning engine residues This is usually one of the sales items of new cars, because a new car will lose a lot of residues after the new engine is worn, which is better for the cleaned engine. However, it is completely unnecessary. Oil circulation is protected by filter element filtration, and it can be completely dealt with by replacing the oil machine for filtration every maintenance cycle. It takes a short time to clean the fuel system, but even if the driving distance is fixed, it is not necessary to clean it every time. If the car can start normally, the idle speed is stable, there is no obvious setback in low-speed acceleration, there is no obvious lack of power in rapid acceleration, and there is no obvious change in fuel consumption, this problem need not be considered. Three-way catalytic cleaning generally does not need cleaning, unless it is too dirty to cause problems in the vehicle or the exhaust gas of the vehicle is unqualified and needs cleaning. Most of the cleaning items in the repair shop are unnecessary. The idea of changing cars within six years only requires one throttle cleaning during this period. You can share your thoughts and cleaning projects in the message area.
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