Powerless Start Diagnosing the Cause of a Car Failing to Start

1. The battery could be flat. This is the most common reason why a car have power but won't start. If your headlights are dim or your car is making a clicking ... If it doesn't crank, First thing to check is for LOOSE Battery Terminals. NEXT would be to check for rust/ corrosion on the Outboard "Transfer Point". A dead battery is the most common reason why a car won't start. When you turn the key, your vehicle's electrical power is directed to the ... Connected to the battery is the alternator, which works to generate power for your vehicle's electrical components. When you have a brand-new battery but still ... check your ignition relay switch as well unhook your battery for 30 minutes and then hook it back up. 255 people think this is helpful. Check the battery cable connections at both ends. Even if the battery terminals are clean and tight, the other ends might be loose and dirty. The single most common reason why a car won't start is a dead battery. This is most common on hot days in the summer, but it's also prevalent throughout the ... My guess is a bad battery. Start there since it's the cheaper of the repairs. There can be other factors too, like a bad ground or some ... Or you can try jump-starting your car with jumper cables. If it starts and runs, but won't restart later, the battery may not hold a charge and ... My initial thought was the battery in the key fob or an immobiliser problem. I thought taking the key far enough away to be out of range then ...