Investigation carries out: Beijing allows car technology to serve limited company greatly
Investigate a cause: Fengtian is corollaceous
Survey sample: This second investigation adds up to 46
Avoid tear open clean intake duct and atomizer
Avoid tear open clean the system that take energy of life and atomizer 11, occupy the 23 % that maintains a project.
Symptom: Motivation drops, quicken logy, idle fast quiver the engine when is serious will not be started. Solve: Clean the system that take energy of life and atomizer, every travel 1 . 50 thousand kilometer undertakes cleaning. Maintain the price: Avoid tear open clean atomizer man-hour cost to be of bottle of 68 yuan of / for cost of raw materials of 60 yuan of 650 m L installs .
Four-wheel fixed position
Four-wheel fixed position 9, 18 what take maintenance item. 8 % .
Symptom: Hold accuse function to reduce, stability becomes poor, the way when turning is serious, returnability is bad. Solve: Proposal every travel 25 thousand to 30 thousand kilometer, undertake single censoring. Maintain the price: Four-wheel cost of fixed position man-hour is 240 yuan.
Clean idle fast motor
Clean idle fast motor adds up to 8, 16 what take maintenance item. 7 % .
Symptom: Bilge is put had taken a long time, engine will appear idle fast the easy flameout abnormal phenomenon when too low, travel. Solve: Operating mode can return to normal commonly after cleaning. Maintain the price: Clean solar term door and idle cost of fast motor man-hour is cost of raw materials of 60 yuan of is 14 yuan (clear lotion 2 pails) .
Change sparkplug
Change sparkplug adds up to 6, 12 what take maintenance item. 5 % .
Symptom: Drive can feel engine power is not worth to quicken the phenomenon such as clumsy car when travel. Solve: The examination changes sparkplug, change when necessary. Maintain the price: Change sparkplug man-hour cost is cost of raw materials of of group of 30 yuan of / to be 28 yuan of / .
To loose free from worries of head of pull rod ball
Change change pull rod ball to the head 6, 12 what take maintenance item. 5 % .
Symptom: Can give out when uneven road surface travel " click, click " sound. Solve: Change change pull rod ball to the head. Maintain the price: Maintain this project man-hour to expend 50 yuan of / cost of raw materials 350 yuan of / .
Change minute of flame, high tension line, ignition distributor lid
Flame of high tension line, cent, ignition distributor lid damages add up to 4, 8 what take maintenance item. 3 % .
Symptom: Can feel engine power is insufficient apparently, quicken clumsy car. Solve: Change in time flame of high tension line, cent, ignition distributor lid. Maintain the price: Maintain cost of this project man-hour to be covered for 45 yuan of / , cost of raw materials is covered for 920 yuan of / in all.