Diagnosis and exclusion
    The engine is slowly shut off with the fuel system, but after checking the fuel system is working properly. Unplug the central high-voltage line to do flash test, found that the spark is very strong, indicating that the ignition system is normal. And then check the ignition timing, found that the distributor fixed bolt loose, up and down activities of the distributor, the distributor can move up and down. After the distributor is fixed, the engine can start smoothly. But the engine work is unstable, when the exhaust pipe blasting. Thought it was ignition time late. Loosen the distributor fixing bolts, repeatedly adjust the ignition timing, test, while carburetor temper, while exhaust pipe blasting.
    The phenomenon of the emerging phenomenon of failure, the car may be ignited. Check the distributor cover, sub-head, no fault. Check the timing belt, elastic fit, it is impossible to jump teeth phenomenon. At this time think of the distributor fixed bolt has been loose, will not occur broken distributor gear phenomenon?
    As the distributor fixed bolts loose, resulting in the upward movement of the distributor, the gear irregularly broken, while the bolt loosening the left and right rotation of the distributor, causing the engine to turn off. Reboot the engine, because the distributor gear teeth, so that the ignition timing disorder, the engine is unstable, poor acceleration. At this time, no matter how the transfer of electrical appliances, but also can not tune the correct ignition timing. Fold off the distributor, the results found that the distributor gear has irregular teeth phenomenon. Replace the distributor after troubleshooting.