What to Do When the Car Won't Start in Cold Winter?

[DeJace]

You can call for roadside assistance or jump-start the car with another vehicle. After jump-starting, go to a repair shop to recharge the battery. Place the car in a warm environment, and it should start after a while. Alternatively, thoroughly clean the fuel system as a permanent solution. Remove the spark plugs, clean the oil stains between the electrodes, and reinstall them to start the engine.

[SarahDella]

When the car won't start in cold winter, the first thing I check is the battery status because battery performance plummets in low temperatures, making it prone to power loss. At this point, I use a multimeter to measure the voltage—generally, if it's below 12 volts, starting might be difficult. Next, I try the jump-start method, either by asking a friend's car for help or using a portable jump starter. If that still doesn’t work, I check if the starter is frozen, then add engine preheater fluid or pour warm water over it (being careful to avoid short circuits). For prevention, I switch to winter-specific engine oil like 5W-30 to avoid increased resistance from thickened oil. It’s best to park in a garage for warmth, and before heading out, let the car idle for a few minutes to warm up. Winter maintenance should be diligent, including testing battery health to prevent small issues from escalating. In short, don’t panic—prepare emergency tools first before taking action.

[RowanMarie]

When facing difficulties starting the car in winter, I believe it's essential to start with basic troubleshooting. The battery is the prime suspect, as low temperatures can reduce voltage. I regularly check the terminals for corrosion or looseness, cleaning them and applying grease to prevent oxidation. If you only hear a clicking sound when starting, it might be a frozen starter or a short circuit in the wiring. I've tried lightly tapping the starter housing or checking the fuses. The fuel system is also crucial; diesel vehicles are prone to frozen fuel lines in winter, so I add anti-gel additives or switch to higher-grade fuel. For daily prevention, I perform a comprehensive maintenance check before winter, including testing the alternator output and replacing spark plugs to enhance ignition. If you're stranded and can't start the car, don't push it—prioritize calling roadside assistance for safety. Developing a habit of systematic checks before winter can save a lot of trouble.

[RileyLee]

Difficulty starting the car in cold winter? I immediately check key points: the battery may be low on power, so I'll ask someone for a jump start or use a jump starter emergency kit to ignite. If the fuel filter is frozen, replace it and use warm air to de-ice. Preheat the engine for 10 minutes before starting. Don't forget to check the oil viscosity and switch to a thinner type. Park in a warmer spot daily—prevention is key.