Under which brand is Junma Auto?

Why Won't the Scooter Start?

The reasons why a scooter won't start: fuel system failure, electrical circuit failure, air pressure failure. Fuel system failure: Mainly caused by fuel switch (no fuel delivery), fuel filter (clogged), carburetor (no fuel delivery or overly rich mixture), or fuel pipe bending issues. Electrical circuit failure: Short circuit in the entire electrical system (such as: ignition switch, ignition coil, ignition module and magneto failure), or open circuit caused by loose wiring harness connectors. Air pressure failure: Insufficient cylinder compression, improper air filter element intake resistance, engine intake or exhaust issues, etc. No fuel in the scooter: Before starting, check if the motorcycle switch is turned on and if there is gasoline in the fuel tank.

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Why does the Mercedes 272 water pump need to be replaced?

When the water pump fails, it needs to be replaced. Failure to start and insufficient flow are common issues with water pumps. Failure to start: This can be caused by packing that is too tight, debris accumulation between the impeller and the pump body causing blockage, rusted pump shaft, bearings, or wear rings, or severe bending of the pump shaft. First, check the power supply: ensure the connections are secure, the switch contacts are tight, the fuse is intact, and for three-phase power, check for any missing phases. If there is an open circuit, poor contact, blown fuse, or missing phase, identify the cause and repair it promptly. Next, inspect whether the issue is due to mechanical faults within the pump itself. Insufficient flow: Insufficient flow is often caused by air leaks in the suction pipe or foot valve, blockage at the inlet, insufficient depth of the foot valve in the water, low pump speed, excessive wear of the sealing ring or impeller, or excessive suction height. Check the suction pipe and foot valve to seal any air leaks; remove silt or blockages at the inlet; ensure the foot valve's immersion depth is at least 1.5 times the diameter of the inlet pipe; increase the immersion depth of the foot valve; check the power supply voltage to increase the pump speed; replace the sealing ring or impeller; lower the pump's installation position or replace it with a high-lift pump.

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How many kilometers can an electric car run?

Tesla and other high-end models can run 300-500 kilometers, while mainstream models typically achieve 100-300 kilometers. Factors affecting the range of electric vehicles: Charging equipment: Just like household appliances, the quality of charging equipment will affect the energy replenishment and output of the electric vehicle battery, thereby impacting the range. Vehicle overload: Similar to gasoline-powered cars, overloading an electric vehicle undoubtedly increases its weight, leading to greater battery output and faster power consumption, which inevitably reduces the range. It is recommended to comply with laws and regulations and avoid overloading.

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Is the 5-attempt limit for Subject 2 and Subject 3 separate or combined?

Subject 2 and Subject 3 each have 5 attempts. Relevant regulations: "Regulations for the Application and Use of Motor Vehicle Driver's Licenses": Article 44 states that each subject examination can be taken once, with one retake opportunity if failed. If the retake is not attended or still results in failure, the examination process terminates, and the applicant must reschedule. However, Subject 2 and Subject 3 examinations can only be rescheduled after 10 days. Exceeding 5 attempts: Within the validity period of the learning driving permit, the number of scheduled examinations for Subject 2 and Subject 3 road driving skills tests must not exceed five. If the fifth scheduled examination still results in failure, all previously passed subjects will be invalidated.

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What does AM mean in a car?

Car radio mode: There are two modes for car radios, one is AM and the other is FM. Generally, drivers use the FM button more often when listening to the radio, as FM is used to operate the radio's frequency modulation, while AM is used to adjust the radio's band. AM vs. FM: AM and FM are two different broadcast reception systems with distinct working principles. They operate independently and do not interfere with each other. Typically, FM provides better sound quality without intermittent broadcast signals, whereas AM band reception usually offers lower sound quality.

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Does a new car require annual inspection?

New cars require annual inspections. The inspection cycle varies depending on the type of vehicle. Passenger vehicles for commercial use: Passenger vehicles for commercial use must undergo an on-site inspection once a year within the first 5 years; after 5 years, they must be inspected every 6 months. Freight vehicles: Freight vehicles and large or medium-sized non-commercial passenger vehicles must undergo an on-site inspection once a year within the first 10 years; after 10 years, they must be inspected every 6 months. Small non-commercial vehicles: Small and micro non-commercial passenger vehicles must be inspected once every 2 years within the first 6 years, and those meeting the exemption criteria are exempt from on-site inspection; between 6 and 10 years, they must undergo an on-site inspection once every 2 years; after 10 years, once a year; and after 15 years, once every 6 months.

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Under which brand is Junma Auto?

Why Won't the Scooter Start?

Why does the Mercedes 272 water pump need to be replaced?

How many kilometers can an electric car run?

Is the 5-attempt limit for Subject 2 and Subject 3 separate or combined?

What does AM mean in a car?

Does a new car require annual inspection?

Where should I upload photos of vehicles using the emergency lane on the highway?

How often should a car take a break for optimal performance?

What is the Impact of Fast Charging and Slow Charging on the Lifespan of Electric Vehicles?

How Many Kilometers Can 40 Liters of Fuel Run?