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 MANUALSAUDI199590 QUATTRO SPORT V6-2.8L (AAH)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEXHAUST GAS RECIRCULATIONEGR TEMPERATURE SENSORDESCRIPTION AND OPERATION
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
EGR Temperature Sensor: Description and Operation
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Description and Operation
PURPOSE
The EGR temperature sensor is used as a fault detection device. The ECM uses the signal to determine if the EGR system is operating properly. The signal that it provides to the ECM has no influence on the exhaust gas recirculation.
OPERATION
The EGR temperature sensor is a NTC sensor, the resistance goes down as the temperature goes up.
The EGR temperature sensor is used as a fault detection device. The ECM uses the signal to determine if the EGR system is operating properly. The signal that it provides to the ECM has no influence on the exhaust gas recirculation.
OPERATION
The EGR temperature sensor is a NTC sensor, the resistance goes down as the temperature goes up.
RENDER: 1.0x
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.