The best way to maintain your pickup truck’s engine [SOLVED]

Thanks for the question Craig! Whether we drive little or much is not a factor, though engines that work more will develop more upper engine deposits. Fuel residue matters are different and have to do with time and oxygen. Fuel that starts to degrade in 30 days will do what it does no matter how much or how often the engine is used. In any case, adding Sea Foam to fuel is always working to clean and lubricate your entire fuel system. Definitely can’t help if not in fuel. Hope this helps!