Reasons why Fengjun 5 electronic throttle valve is normally open:
1. The throttle valve is dirty, the throttle return position is not good, and there is a problem with the idle motor. The throttle position sensor connector and idle motor connector have incorrect contacts.
2. There is a problem with the battery or generator. The voltage is unstable and the line connection has poor contact, causing the voltage between the generator and the battery to be inconsistent.
3. The vacuum tube is leaking, mainly the brake booster tube.
4. The PCV valve is always open (PCV valve is also called one-way valve. Its main function is to reuse oil exhaust gas inside the engine, which is energy-saving and environmentally friendly. , then passes through the one-way valve to the intake manifold When both.secondary combustion cylinders, the one-way valve is always open, and the intake manifold pressure is unstable, which will cause the idle speed to rise and fall. the idle speed is high and the speed is unstable.
Great Wall Fengjun 5 European Edition Picardy What elements should be replaced during the second maintenance?
Great Wall. Fengjun pickup cannot be maintained for the first time after 2,000 kilometers. It is usually serviced once every 5,000 kilometers or three months.
Great Wall pickup maintenance is preventative work to inspect, clean and restock. , lubricate, adjust or replace the main parts of the car within a certain time.
Great Wall Pickup Fengjun New Car The period between ground driving and first insurance is the break-in period. break-in period of the car, because the engine gears,gearbox, etc. have not yet been broken in, the car cannot drive too fast. It should not exceed 100 yards, and it is best not to exceed 80 yards. At the first insurance, you must check the pressure, positioning and balance of the tires, as well as the safety system
Extended . information:
The maintenance taboos of the Great Wall Pickup Fengjun 5 are as follows:
1. Avoid chemical stains. Carburetor cleaners. Most carburetor cleaners contain methyl chloride, aromatics and ethanol. These substances are toxic to some extent, so they are all inhaled through the nose or splashed on the skin and eyes.
2. Avoid mechanical injuries. Car maintenance is related to various aspects. During maintenance operations, obvious work signs must be provided.re put in place to prevent people from being injured when starting the car. Pay attention to the position of the transmission to avoid car malfunction and injury. 3. Avoid fires when maintaining the car, you often need to use flammable cleaning products such as oil. For explosive items, don't forget to take. fire-fighting measures at this time and prepare a fire extinguisher just in case. Do not smoke near the fuel tank and battery, because flammable gas escaping from the fuel tank and hydrogen gas igniting from the battery are easily ignited. /p>
Ifeng.com - Don't be fooled by 4S stores, it's the right schedule for car maintenance
Baidu Encyclopedia - Car Maintenance
< /p>< p>If there is no problem with the car itself, there is no need to deliberately replace it, it sThis is simply regular maintenance.Maintenance, the specific maintenance plan is determined based on the number of miles the car has driven, the recommendations of maintenance personnel and the wear and tear of vehicle parts.
Maintenance precautions:
1. The fuel filter element and air filter element should be replaced every 10,000 kilometers
The air filter element should be replaced every. year or 2 Replace it after approximately 10,000 kilometers.
2. The entire vehicle oil should be replaced at 40,000 kilometers.
3. The gearbox must be inspected during each service. Although it is not necessary to replace the oil, the quantity of gearbox oil should be checked regularly, and non-original oil should not be replaced without authorization.
4. Check the spark plugs every 40,000 kilometers and replace them every 80,000 kilometers.
Elements of iSuggested inspections:
1. Check if the car's coolant level is within regulations.
2. Check the brake fluid, the working condition of the brake system and whether there is an oil leak.
3. Check whether the oil level in the power steering oil reservoir complies with regulations.
4. Check the battery fluid level and window cleaning fluid level.
5. Check if the generator, air conditioning system, etc. work correctly.
6. Check whether the steering is light, flexible and reliable, and whether the front wheel swings left or right while driving.
7. Check the working status of the lights and horns, and whether the vehicle's front and rear lights are complete (including headlights, width lights, turn signals, brake lights, reversing lights and fog lights ). .
8. Check the pressureand wear of car tires, and replace tires according to wear.
9. Check the battery status.
10. Check the working condition of the engine, whether it is easy to start, whether it is running properly, whether the exhaust is normal (meaning the exhaust gas reaches the standard), whether the temperature of the engine Water and oil pressure meet the requirements. , the speed is stable and there is no abnormal noise.
11. Check whether the chassis and steering gear are flexible, whether the bolts are tight, and whether the pipe joints and T-pipe threads should be intact, tightly coupled and airtight.
12. Check to see if all relevant parts of the vehicle need lubrication.