The Big Dipper 1.0 ran 90,000 kilometers, and the speed was unstable.

Clean the throttle and idle motor, and then set the driving computer and the year of the car. Check the oil before pulling the highway. If it shakes badly, it will stall, which may be a lack of cylinder. Check whether the inside of distributor cover is seriously wet. If it is not solved after cleaning, check the spark plug. Then if you don't burn the engine oil, get off the highway and run at 4000 rpm for a while.

1 the spark plug is broken, which will also make the engine idling unstable. Once the spark plug of a cylinder is abnormal, the idle speed will fluctuate greatly immediately. Check the spark plug of each cylinder. You can unplug the high voltage line of each cylinder in turn, and it is easy to find out the faulty spark plug. If the air intake system is blocked or too dirty, it will also make the engine idle. ...

If you run in the city, you don't carry a load. After four to five years, there will be more failures. If the rural roads are heavy, the problem of 1 year and a half will follow regularly.

Hello! The market price of the Big Dipper 02 CH7 100A economical manual gear in Beijing market in 2002 was about 22,000 yuan.

You can run 80 to 90. The Big Dipper has poor sound insulation effect and high wind noise.