What Are the Reasons Why an Automatic Car Won't Start?
2 Answers
Here are the specific reasons why an automatic car won't start: 1. Check if the battery has power. Power loss due to leaving headlights on for extended periods or an expired battery lifespan, as well as installing xenon headlights, high-power audio systems, or DVD players, can also cause vehicle circuit failures. 2. Check if there is fuel. Also, pay attention to fuel quality. 3. Lack of antifreeze. Some car owners add water or low-quality antifreeze, which can freeze the cooling system in winter, crack the engine, prevent the car's water pump from functioning, and cause the car not to start, while also damaging other engine components. 4. Wrong gear position. When starting an automatic car, the gear must be in P (Park) or N (Neutral). If it's in R (Reverse) or D (Drive), the car won't start.
Last year, I had a problem where my car wouldn't start, and it turned out the battery was severely drained. When trying to start, there was no sound at all, and the lights were dim. Later, a friend helped jump-start it using jumper cables. It might have been due to battery aging—generally, automatic transmission batteries last three to five years, and extreme weather makes them more prone to draining. If the ignition switch is loose or worn out, it can also cause no response; sometimes, it's just the key not being turned to the right position. Starter motor damage is rare, but if it fails, you might hear a grinding noise. Fuel pump issues: the fuel gauge shows fuel, but if the pump is broken, it won't supply fuel; bad fuel can clog the filter. For automatic transmissions, always make sure it's in Park (P), otherwise, the starter lockout will engage. Starting in Neutral (N) on a slope is safer. I also installed a battery monitor to prevent issues beforehand. In emergencies, call for roadside assistance or a tow truck—don’t delay. Safety first—check your battery health annually.