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Can a Deteriorated Three-Way Catalytic Converter Still Be Used?

1 Answers
JaylaLynn
07/29/25 2:01am
A deteriorated three-way catalytic converter should not continue to be used. When a car's three-way catalytic converter deteriorates, it becomes ineffective, leading to poor engine exhaust flow and excessive tailpipe emissions. The best solution is to replace it with a new one. Cleaning the Three-Way Catalytic Converter: The cleaning method for a three-way catalytic converter is known as the "drip cleaning" process. This involves connecting a plastic hose to the engine's vacuum solenoid valve and using the air pressure in the hollow tube to draw cleaning fluid from an infusion bottle into the engine. As the cleaning fluid exits through the exhaust pipe, it cleans the three-way catalytic converter. Lifespan of the Three-Way Catalytic Converter: The typical lifespan of a three-way catalytic converter is between 80,000 to 100,000 kilometers. The exact lifespan depends on the vehicle's usage conditions, as well as the quality of fuel used and the driving environment.
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How to Reset the Maintenance Light on an Old Bora?

Turn off the ignition, press and hold the maintenance light reset button, then turn on the ignition. Release the reset button and press button A to complete the reset. Below is an introduction to the Bora: 1. Powertrain: Equipped with 1.6L and 1.4TSI engines, paired with a 5-speed manual transmission, 6-speed Tiptronic automatic manual transmission, and 7-speed DSG dual-clutch automatic transmission. 2. Features: Multifunction digital display instrument panel; voice navigation system integrating DVD playback, navigation, radio, and Bluetooth; cruise control system; pedestrian protection function; fourth-generation online electronic anti-theft system.
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What is the wading depth of the Range Rover Sport?

The wading depth of the Range Rover Sport is 850mm. The wading depth of the Range Rover Sport is determined by the height of the vehicle's chassis, which is the ground clearance listed in the model's parameter configuration table. Generally, the greater the ground clearance, the higher the chassis, and the higher the safety factor when driving through waterlogged roads. Therefore, in terms of safe wading depth, the advantages of off-road vehicles and SUVs are obvious. However, for most compact and small vehicles with low chassis, the position of the vehicle's air intake should be used as a benchmark when passing through waterlogged roads. If the air intake of the Range Rover Sport is below the water level during wading, water will be sucked into the engine's cylinders. Since water cannot be compressed like air, it will cause severe damage to the engine's mechanical components (such as connecting rods, pistons, crankshafts, etc.). Therefore, the wading depth should not exceed the height of the engine's air intake. The height of the engine's air intake, and thus the maximum wading depth, can also be increased by installing a snorkel. If wading is unavoidable, the following safe and correct operations should be performed: Before driving through water, always turn off the auto start-stop function to prevent the vehicle from automatically restarting after stalling in the water, which could cause severe engine damage due to water intake. Assess the underwater road conditions based on the passage of vehicles ahead and choose an appropriate entry point. Observe the path taken by other vehicles and follow their tracks at low speed, avoiding sudden acceleration or deceleration. On roads prone to water accumulation, observe warning water level markers, trees, and reference points like the wheels and doors of other vehicles to estimate the water depth before deciding whether to proceed. Be aware of your vehicle's safe wading depth. If the water depth exceeds half the height of the tires or the engine's air intake, do not proceed and choose an alternative route.
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What are the symptoms of small valve clearance in motorcycles?

The symptoms of small valve clearance in motorcycles are as follows: 1. Valve noise: The most common symptom of excessive valve clearance is abnormal noise, which mainly comes from the collision between the rocker arm and the valve. 2. Reduced power: The main reason for the decrease in power after excessive valve clearance is the reduction in intake and exhaust volume, primarily because the valve opening becomes smaller, thereby affecting the engine's intake and exhaust volume. 3. Unexpected damage: If the valve clearance is too large and not adjusted in time, for pushrod engines, there is a possibility of pushrod detachment. This is because the pushrod relies on the upper and lower rocker arms for positioning. If the clearance is too large, the pushrod may shift, leading to detachment.
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How often should Castrol EDGE engine oil be changed?

Castrol EDGE is a fully synthetic engine oil, and fully synthetic oils can typically be changed every 10,000 kilometers or once a year. However, the actual interval depends on the vehicle's driving conditions. If the vehicle frequently operates in heavy traffic congestion, it's recommended to change the oil 1,000 kilometers earlier, as engine oil continues to lubricate the engine even during idling. Engine oil, also known as motor oil or engine lubricant, is a substance enhanced with additives in base oil, primarily containing anti-wear additives, detergents, dispersants, and multi-grade viscosity index improvers. Engine oil is used for lubricating internal combustion engines. Its main functions are to reduce friction and wear on moving parts, and to remove sludge and varnish from the engine.
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Which country is Rolls-Royce from?

Rolls-Royce is a British-made car. Here are the relevant details: 1. Brand: Rolls-Royce is a brand specializing in the production of luxury cars. Models under Rolls-Royce include the Phantom, Wraith, Dawn, Ghost, and Cullinan. In the early 20th century, most Rolls-Royce cars were handcrafted, with precision and durability being the enduring qualities passed down through generations. 2. Phantom: The Phantom is Rolls-Royce's flagship large luxury sedan. This model is available in both standard wheelbase and long wheelbase versions. The standard wheelbase version measures 5770 mm in length, 2018 mm in width, 1648 mm in height, with a wheelbase of 3552 mm.
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What documents are required to apply for ETC?

To apply for ETC, you need to prepare the following documents: the vehicle owner's valid ID card, driver's license and vehicle registration certificate. If the applicant is not the owner, the agent's valid ID card and the current year's vehicle insurance policy are also required. For corporate applications, the handler's ID card (or driver's license), the organization's institutional code certificate (or business license), and the official seal are needed. Vehicle owners can apply for ETC through Alipay or WeChat appointment, or go to banks for free processing, or visit ETC self-operated outlets and some highway service areas. ETC can be linked to either a debit card or credit card. Please note that if binding a debit card, there needs to be a certain amount of available balance in the account as a deposit.
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