The absolute pressure sensor detects ambient barometric pressure and intake manifold pressure and modifies the voltage signal received from the ECM. As the pressure increases, the voltage rises. This was performed on a 1997 Nissan Maxima. Check with your vehicle's repair manual for testing parameters.
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P0105 - An excessively low or high voltage from the sensor is entered into ECM. Or, a low voltage from the sensor is entered into ECM under heavy load driving conditions. Or, a high voltage from the sensor is entered into ECM under light load driving conditions.
Note:
This video is being performed by an experienced tech. Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, use safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk. Carsntoys is a member of the Amazon Influencer Program.
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