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.
EGR Differential Pressure Sensor
FUNCTIONS WITHIN THE SYSTEM
EGR differential pressure sensor is connected to EGR valve with pressure tube.
INDIVIDUAL FUNCTION WITHIN THE SYSTEM
EGR differential pressure sensor measures the differential pressure between upstream and downstream of the EGR valve. It converts into a voltage signal.
INDIVIDUAL OPERATION
ECM receives the signal via engine communication and estimates the EGR valve opening ratio or EGR valve position.
Component Location
The EGR differential pressure sensor is mounted on the exhaust side of the cylinder head.
NO RELATED
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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.