Car ignition switch12/4/2023 However, if your switch fails in the “on” position, it will not deliver power to the fuel pump and ignition system as soon as you pull the key from the start position to the “on” position. When the ignition switch is in the start position, it immediately takes power from the vehicle battery and turns on the ignition system and fuel pump. If your car starts and then unexpectedly stalls, it is one of the clear signsof a bad ignition switch. Read More: How to remove stuck ignition key? 4) Car starts and then suddenly stalls This stops the key from rotating the different pins in the barrel according to the correct positions. The groves and notches gradually rounded and smoothed out over time. This is a common issue with a key whose blades are more of a cylindrical design. This symptom indicates that your ignition switch is badly damaged and needs to be repaired or fixed quickly. In such conditions, your ignition key may also get stuck in the keyhole. If your car is still using a key and it does not turn smoothly whenever you try to start the vehicle, it means that there is something wrong. Modern vehicle models use an ignition button instead of an ignition key. Read More: Why Car Engine Stall? 3) Hard to turn the key Depending on the specific problem, your car may or may not restart after a short time. When the ignition switch goes bad while the engine is running, power to the ignition system and fuel system will be lost, which may lead to the engine stalling. If your vehicle engine stalls suddenly while driving, it is one of the common symptoms of a bad ignition switch. In fact, it is recommended to contact a mechanic for the proper diagnosis. However, many other electrical and mechanical issues (i.e., a dead battery) may also stop the vehicle engine from starting. A faulty ignition switch will not properly supply power to the ignition system, starter motor, and other engine controls, causing the engine not to start. If your ignition switch goes bad, your vehicle engine won’t start. The main function of the ignition switch is to help to start the vehicle.
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