What causes a Buick car to fail to start?
1 Answers
There are several reasons why a Buick car may fail to start: 1. Battery depletion: Insufficient battery power preventing the vehicle from starting, typically manifested by the starter not working or showing significantly reduced rotation speed during ignition. 2. Fuel flow obstruction: Usually characterized by lack of oil pressure in the engine fuel supply line. Extremely low temperatures can cause water and debris to mix and block the fuel line, resulting in failure to start. 3. Poor ignition system performance: In cold weather, low intake temperatures lead to inadequate fuel atomization in the cylinders. Combined with insufficient ignition energy, this can cause cylinder flooding—where excessive fuel accumulates in the cylinders, exceeding the flammable concentration limit and preventing ignition.