Ignition timing is the setting of the spark plugs to ignite when there is a compression stroke. When it has been improperly set, the ignition timing will impact how the engine performs and may hinder the car starting.

Does advancing timing make it easier to start?

Advancing the ignition timing helps raise the high-end power while reducing the low end. It also helps get the spark past the ignition delay and run at peak power. Ignition timing retarding causes the spark plug to fire later in the compression stroke.

Can timing cause car not to start?

Timing belt or chain – When there is lack of compression, it can also prevent your car from starting. It might crank but you will never be able to get your engine to start. Make sure your timing belt or chain is not broken or clogged.