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FITMENT
Compatible with Volkswagen Group diesel vehicles (VW / Audi / Porsche / Skoda / Seat platforms) equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Euro 6 diesel engines using reference 5WK97494 / 4M0907807S.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue/DEF dosing and ensure emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust system, usually before or after the SCR catalyst depending on OEM design.

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue warning, fault codes, increased emissions, and possible limp mode or reduced engine performance.

Q4: Is it compatible with all VW Group vehicles?
A4: No, compatibility depends on engine code, emissions standard, and SCR system configuration.

ASHENG

NOx Nitrogen Sensor for Volkswagen 5WK97494 4M0907807S Diesel Exhaust SCR System Unit

$211.00

FITMENT
Compatible with Volkswagen Group diesel vehicles (VW / Audi / Porsche / Skoda / Seat platforms) equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Euro 6 diesel engines using reference 5WK97494 / 4M0907807S.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue/DEF dosing and ensure emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust system, usually before or after the SCR catalyst depending on OEM design.

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue warning, fault codes, increased emissions, and possible limp mode or reduced engine performance.

Q4: Is it compatible with all VW Group vehicles?
A4: No, compatibility depends on engine code, emissions standard, and SCR system configuration.
$211.00
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FITMENT
Compatible with Volkswagen Group diesel vehicles (VW / Audi / Porsche / Skoda / Seat platforms) equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Euro 6 diesel engines using reference 5WK97494 / 4M0907807S.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue/DEF dosing and ensure emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust system, usually before or after the SCR catalyst depending on OEM design.

Q3: What are symptoms of failure?
A3: Check engine light, SCR/AdBlue warning, fault codes, increased emissions, and possible limp mode or reduced engine performance.

Q4: Is it compatible with all VW Group vehicles?
A4: No, compatibility depends on engine code, emissions standard, and SCR system configuration.

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