That's usually a low battery or a dirty battery terminal. Check the terminal first, see if it's corroded or loose.
Next, understand that the battery is simply an electrical storage device. The battery can be bad or the alternator can fail and the battery will not have enough stored electrical energy. Before just replacing a battery, always check the charging system to make sure it's working properly before assuming that a battery has failed.
It could be, a dead battery, dirty or loose battery connections, a bad starter, the engine is seized.
Low voltage, either caused by low system voltage, or faulty wiring or connection.
Should not back fire upon start up. Replace ECTS and see if that helps
stop trying to level up an aqw caractor and start new click on your level x6 times then click on your caractor x2 and go left down right and stay and you will be level 25
Start by replacing the Engine Coolant Temperature Sensor
Diagnosis: Engine Won't Start or Run Check related link below
Whats wrong when an 86 ford aerostar keeps trying to start after the engine is running?
A single click when trying to start the engine is usually an indication of a loose battery cable/wire or a faulty starter solenoid/relay switch.
Time when trying to start the car engine trns butwill not start turn key off then onagain it starts right up
Low Battery
bad starter. Hit it with a hammer lightly while anothe person turns the key. suggestion, replace the starter.
check the starter, or maybe check the battery may be enough voltage for lights, but not to crank the engine over.