- Battery and Starter Check: Even though your battery is new, it's worth checking the connections for any signs of corrosion or looseness. In cold weather, battery efficiency can decrease, so ensuring good connections is crucial.
- Fuel Line Issues: Considering you just refueled and added Heet, there might be a concern with the fuel line. Heet, a gas line antifreeze, should generally help in cold weather, but there's a small chance it could be affecting the fuel quality.
- Starter Motor: With your vehicle's age and mileage, the starter motor might be weakening, particularly in extreme cold. This could be verified by a professional mechanic.
- Block Heater: In such low temperatures, a block heater can be very beneficial. It warms the engine block and helps with easier starts. Consider installing one if you frequently face such cold conditions.
- Oil Viscosity: In cold weather, the oil can thicken, making it harder for the engine to turn over. Using a synthetic oil with lower viscosity during winter months might help.
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