: The passenger side may only blow cold air or only hot air, regardless of the settings on the dashboard. Poor Airflow Control
: Ensure nothing is physically blocking the movement of the air mix door.
: Technicians will look for corroded pins or rubbed wires, especially if the fault appeared after heavy rain or a car wash.
The "-14" variant commands a premium because it signifies a later emissions standard, meaning it can legally be installed in a forklift operating in a CARB-regulated state (California, New York, etc.). Older non--14 variants cannot be used for engine swaps in regulated territories.
You might wonder why Nissan chose LPG for the B24BD-14 instead of standard gasoline. In the industrial world, propane offers distinct advantages: