Symptom: Car pushed, pulled the car can not be started. After examination, the carburetor is normal, center and sub-cylinder car key replacement high-voltage power lines were arcing. The carburetor has tempered signs, exhaust pipe smoke exhaust and tempering regularly.
Troubleshooting: judging from the above symptoms, it seems that the ignition disorder, but distributor, sub-cylinder power lines were not moving off. After examination, the ignition timing is also normal, valve and no wiring. Demolition pick up spark plug, see the electrodes are wet gasoline, replacement, or can not start the car. After checking the cylinder pressure are within the specified range. When checking sub-cylinder high-voltage flash over again, and found that flash interval was uneven. Taking into account the carburetor has tempered signs, it is suspected distributor cap problems. After high pressure on the distributor cap testing found high voltage electrical channeling place between the lid bmw carsoft 6.5 center jack. It is concluded that the problems lies in the distributor cap. Because the distributor cap firing order and regularity appears inevitable confusion when high pressure channeling electricity, and therefore can not start the engine and carburetor will appear tempering phenomenon. Now replace the distributor cap, start the engine quickly, the fault disappears.
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