1. Check a condition of vacuum hoses and connections. Often for effective check of a hose it is necessary for removing from the car. |
2. Use a short piece of a thin vacuum hose as a stethoscope for check of leakage of air. |
3. Check fuel hoses on existence of damages or wear. Check reliability of fastenings of hoses. |
4. Check, that metal tubes were not strongly погнуты or are pressed. Examine tubes on existence of cracks or other damages. If it is necessary to replace a tube, use only steel tubes specially intended for this purpose. |