How to Troubleshoot a Freightliner Air Pressure Sensor?

Answer Freightliner tractor trucks are used to transport goods around the country and for other heavy-duty tasks. Air pressure monitors are used to let the driver know whether or not the air pressure in o... Read More »

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How to Troubleshoot the Oil Pressure Sensor on a 1989 Ford F150?

The 1989 Ford F1-50 utilizes two types of oil-pressure detection sensors. One operates the low oil-pressure red light on the instrument panel; the other operates a gauge and the light as well. Test... Read More »

How to Troubleshoot Nissan Pathfinder Low Tire Pressure Sensor Malfunction?

Many people don't know that it is mandatory for every vehicle manufactured today to have a low tire pressure monitoring system (TPMS) installed. The reason for this is that so many accidents and e... Read More »

How to Troubleshoot A/C Problems in Freightliner Trucks?

Freightliner AC systems are much larger than most vehicle systems, and they use a larger condenser and an air compressor to cool the air. An evaporator is used on freightliner trucks as a heat exch... Read More »

How to Test an AC Pressure Sensor?

Air conditioning pressure sensors, also known as AC switches, turn off a car's air conditioning system whenever the refrigerant pressure reaches a lower extreme. This not only signals the need for ... Read More »