Nitrogen Oxide Sensor (1004-1021) by Walker Products®. Location: Turbocharger Outlet Pipe. The Exhaust Gas Recirculation Valve, also referred to as EGR, meters the exhaust gas that is being recirculated into the intake manifold. This exhaust gas recirculation process reduces combustion chamber temperatures, resulting in reduced NOx emissions.
Specifications
Location: Turbocharger Outlet Pipe
Features
Valve gets stuck in the closed or open position due to a build-up of dirt, debris, or carbon
Clogged catalytic converter
Electrical issues with the valve control unit
Intake leaks
Incorrect vacuum hose connection
Damaged or missing EGR valve gasket
Issues with the vacuum control or switching valve
Defective EGR solenoid
One of the largest, privately owned, manufacturers of performance engine management products and fuel system components, Walker Products® has served the needs of the worldwide automotive aftermarket since 1946. Its extensive product offerings include carburetor and fuel injection repair kits, oxygen sensors, and other engine management components such as throttle position sensors, cam and crankshaft sensors, fuel injectors, spark plug wires, gaskets, and more. As an ISO 9001:2008 and TS16949 certified company, Walker is committed to supplying the highest quality automotive parts that meet rigorous quality standards. Quality procedures such as statistical process control (SPC) and automated process feedback are typical for Walker’s production processes.
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