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When the trac light is off, on a Buick Century, the traction control monitoring system is disengaged. It is recommended to have the trac system engaged on wet roads.
The low pressure AC port on a 2000 Buick Century is located on the accumulator. It is used to fill the system with refrigerant and to check pressure levels.
Pressure test system and watch for leak
The computer resets itself. as for the ABS-Traction control-Tire Pressure... the ABS sensors on the wheels get information for your ABS, traction control and your tire pressure monitoring system, if the ABS has a problem, it disables itself along with the traction control and the tire monitor. You have a problem with your ABS system..get it checked out
Evap Emission Control System Pressure Sensor Low
low pressure side on a buick skylark with a 2.4 engine is by the compresor. you get to it from under the car. left side, front side of engine.
You can add Freon to your 2001 Buick Century air conditioning system through the low pressure port. The low pressure port can be found on the top of the air conditioner compressor.
Check your owners manual.
# Set all tire pressures to the recommended kPa/psi. # Turn ON the ignition, with the engine OFF. # Press the MODE button until LOW TIRE PRESSURE HOLD SET TO RESET is displayed. # Press and hold the SET button until a chime sounds and TIRE PRESSURE RESET is displayed and a chime sounds 3 times. # release the SET button and TIRE PRESSURE NORMAL is displayed.
Pressure test system to observe leak
Trouble code P0452 means: Evaporative Emission System Pressure Sensor/Switch Low Input
R-12 = 32 ozs. R-134A is similar. When charging you should be monitoring pressure anyway. I usually look for about 35 - 40 PSI on the LOW side.