>1. Ensure the car is in neutral and the parking brake is engaged. This is a safety measure to prevent the car from rolling while it's being started.
>2. Turn on the ignition. This will power up the car's electrical system.
>3. Wait for the glow plugs to warm up. Diesel cars use glow plugs to heat the cylinders before starting, which improves combustion and reduces emissions. The length of time the glow plugs need to warm up will vary depending on the car, but it's usually only a few seconds. Some newer diesel cars have a sensor that automatically adjusts the pre-heating time based on the ambient temperature.
>4. Turn the key to start the engine. Once the glow plugs are warmed up, the car can be started. If the engine does not crank, wait a few seconds and then try again.
>5. Hold the key in the ignition until the engine starts. For most diesel engines, it is not necessary to hold the key in the ignition longer than about 3 to 5 seconds, and there is no danger of flooding the engine. If the engine doesn’t start, there is likely another issue such as a drained or weak battery, a worn starter, a glow plug malfunction, a leak in the fuel line, or air seeping into the fuel lines causing "spongy" fuel lines.
>6. Let the engine warm up for a few minutes. This allows the engine oil to circulate and lubricate all of the engine's moving parts.
Additional tips for starting a diesel car in cold weather:
- If the engine does not start after several attempts, stop and wait a few minutes before trying again. Continuing to crank the engine will only drain the battery.
- Use a battery charger if the battery is weak. A weak battery will make it difficult to start the engine, especially in cold weather.
- Use the block heater if the car has one. A block heater helps to warm the engine block and make it easier to start on a cold day.