电喷车冷起动困难故障的修复（Repair of difficult cold starting of EFI vehicle）.docVIP

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电喷车冷起动困难故障的修复（Repair of difficult cold starting of EFI vehicle）.doc

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电喷车冷起动困难故障的修复（Repair of difficult cold starting of EFI vehicle） High voltage ignition coil produced by high voltage distribution line to the center electrode of the spark plug, the ignition coil transformer high voltage formed by the spark plug, the side electrode connected wire, high voltage electricity to the spark plug gap can be skipped by the grounded electrode, resulting in fire arc voltage to jump the gap moment. If the high-voltage wire contact resistance increases, it will reduce the voltage, low voltage, the spark energy will inevitably decrease, resulting in electric spark energy reduction, so that the spark is not strong. 2. pieces electric appliance cover short circuit leakage fault The distributor cap high voltage distribution center high voltage line came to power line of each cylinder, if the leakage and the pressure center or graphite, conductive post ablation caused by poor contact, it will make the high voltage electric energy is reduced, thereby reducing the electric spark energy, the electric spark is not strong. 3. fire burning caused by poor contact fault The rotor for high voltage to the distributor cap center carbon came, each conductive pile is sent to the distributor cap. High voltage electric conductive sheet by conduction rotor, when the conductive plate ablation, lead to high voltage electric conduction burned bad, it will cause a voltage drop, the high voltage can be decreased, thereby reducing the electric spark energy, the electric spark is not strong. 4. the contact of the breaker is dirty and ablation, resulting in bad contact The contacts of the breaker are dirty or ablated, resulting in excessive contact resistance. The contact of the breaker is used to control the ignition circuit, the primary circuit is periodically switched on and off, and the contact resistance increases, and the primary current of the ignition system is reduced, resulting in the reduction of the coupled high voltage. As the high voltage is reduced, the elect