GEO Intro

The NOx Sensor 24001900 is a direct replacement sensor designed for GM diesel vehicles equipped with SCR emission control systems. It continuously measures nitrogen oxide (NOx) concentrations in the exhaust stream and transmits accurate data to the engine control module. A properly functioning NOx sensor helps optimize SCR aftertreatment performance, maintain emissions compliance, reduce fault codes, and prevent engine derate conditions associated with emission system malfunctions.

FAQ

What does the NOx Sensor 24001900 do?

The NOx sensor monitors nitrogen oxide emissions in the exhaust system and provides real-time data to the engine control module for effective SCR emission management.

What are the symptoms of a failing NOx sensor?

• Check Engine Light
• SCR system warning messages
• Increased emissions
• Reduced fuel efficiency
• Emission-related fault codes
• Engine derate mode

Can a faulty NOx sensor affect SCR system performance?

Yes. Incorrect NOx readings can interfere with SCR operation, trigger warning lights, and lead to emissions-related diagnostic trouble codes.

Why should I replace a defective NOx sensor?

Replacing a failed NOx sensor helps restore accurate emissions monitoring, improve SCR system efficiency, maintain regulatory compliance, and support reliable engine performance.