In extremely cold weather if there is any moisture in the fuel system it can freeze and will freeze. Dry gas will prevent this. I’ve had Volvo fuel lines freeze before. My MO used to be to use one bottle of dry gas at the beginning of winter to remove any moisture. Now I use a bottle of Techron Complete Fuel System cleaner. It removes moisture and it does clean the fuel system especially the injectors. $4.00 is a lot cheaper than replacing or cleaning your injectors. Since I started using it I haven’t had to clean or replace a single injector. Some high mileage cars too - 300k, 250k, 240k. It also works well at cleaning neglected engine fuel systems. I view it as cheap insurance once a year. If you have ever had the inconvenience of a frozen fuel line or a bad injector you probably understand.
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Will I buy another Volvo??? We'll see....
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