Why does my car start sometimes and not others?

Why does my car start sometimes and not others?

Hello there, no starts are common problem in many vehicles. Given that yours will start sometimes but not other leaves a few possible causes. The most likely causes would include a fault with the ignition switch, battery cables, fuel pump, starter, or low fuel pressure.

What is the cause for engine does not crank?

Answer: The most common source of trouble when the engine cranks but won’t start is the ignition or fuel system. Make sure you got enough fuel pressure and good spark. Also, a faulty sensor (crankshaft position sensor or camshaft sensor on some models or throttle position sensor) may cause this problem as well.

Why is my car radio not working when the engine is on?

Do you have any problems with other circuits in the car that are fed off the accessories power e.g. cigarette lighter, power windows etc? If it only happens to the radio with the engine on and more when you are driving it sounds like there is a loose connection or dry soldered joint in the power supply for the radio or in the radio.

Why does the radio turn off at startup?

Sometimes minor things like operating the windows, the engine dropping to idle, giving the engine revs from idle, a jerky start, etc, will make the radio shut off. Was going to replace the ignition switch – but it doesn’t appear like that fixed the problem for the other posters. Any other insights into this problem? Very annoying!

Why does my car not start when I Turn on the gas?

If the lights and accessories work and the starter cranks, then it isn’t your battery. The reasons could be: The tank is so low on gas that the fuel pickup can’t deliver gas to the engine. This can happen when your car is parked on a steep incline.

How does the radio work in a car?

How does a car radio work? The operation of a radio starts from the power supply and ends in the output of sound by the speakers. A radio pulls power from the alternator which is supplied by the battery. A wiring system is established to connect the alternator to the radio and the radio to the speakers.