Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSINFINITI2002G20 L4-2.0L (SR20DE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSABSOLUTE PRESSURE SENSORDESCRIPTION AND OPERATION
2002 Infiniti G20 L4-2.0L (SR20DE)
Absolute Pressure Sensor: Description and Operation
2002 Infiniti G20 L4-2.0L (SR20DE)SECTION Description and Operation
Component Description
The absolute pressure sensor is built into the ECM. The sensor detects ambient barometric pressure and sends the voltage signal to the micro computer. As the pressure increases, the voltage rises.
The absolute pressure sensor is built into the ECM. The sensor detects ambient barometric pressure and sends the voltage signal to the micro computer. As the pressure increases, the voltage rises.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.