how to change spark plugs , No spark. The ignition systems do not work, the car does not turn on,
Reasons for the spark outage in the spark plugs , It is known that when the spark in the spark plugs is lost, the engine will stop working , If your car engine stops running and you try to start the car, but it fails to start , As a first step, the spark generation system should be checked , If you find that the spark is cut off , Reasons for the spark outage in the spark plugs.
First, the spark generator fuse is damaged, or the electrical connections are faulty
Secondly, the spark generator is damaged , To clarify, the spark generator is gradually wearing out , That is, the spark generator will send the spark to only two plugs , The spark generator is an electrical transformer containing two copper coils , These are the copper coils , The first coil sends the spark to the first and third spark plugs , The second coil sends the spark to the second and fourth plugs , If there is no spark in the plugs (1/3) or (2/4) , The reason is that one of the coils is damaged , Sometimes the car stops half an hour after it has been started , Or stop suddenly while driving for half an hour , Then if you check the spark, you will find that it is cut off or very weak , This is an indication that the spark generator is damaged , And if you try to start the car, the engine will not start , Because when the ignition generator is damaged, it is affected by high temperature , It stops working when it is hot and does not work until its temperature drops , Time required for the ignition generator to cool down , about half an hour
Third, the crankshaft sensor is damaged , This sensor is very important in the operation of the engine , If the crank sensor is damaged, the spark will be cut off from the plug , Because the crank sensor is responsible for the timing of sending the spark to the spark plugs
Fourth, the car computer does not recognize the key code , It is an anti-theft or immobilizer system , When there is a problem with the immobilizer system , The car computer will think you are a thief trying to steal the car , The car computer will prevent you to starting the car , This is done by cutting off the signal from the fuel pump and sprinklers , Or cut off the signal from the spark generator, thus cutting off the spark from the spark plugs
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