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Walker Products Inc. began supplying the fuel system needs of the automotive aftermarket in 1946. Today, Walker is one of the largest, privately owned manufacturers of fuel system components, oxygen sensors and engine management components. As an ISO 9001:2008 / TS16949 certified company we are committed to supplying the highest quality products. We serve major original equipment manufacturers, co-manufacturers, rebuilders, and retail customers in fuel, engine management and exhaust markets worldwide.
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How to Install Mass Airflow Sensors

The mass airflow sensor is used to read the amount of airflow entering the engine. The engine then takes this information and uses it to create the proper air fuel mixture so your vehicle runs properly. View this video to watch how it is replaced on a 2009 Nissan Altima.

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How to Install an Exhaust Gas Temperature (EGT) Sensor

See how to install the EGT sensor which is responsible for reading the temperature of the exhaust and sending this information back to the ECU to control exhaust after treatment.

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O2 Sensor Install

A brief overview of how to diagnose and replace a bad O2 sensor.

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O2 Sensor Diagnosis and Replacement

O2 sensor diagnosis and replacement doesn’t have to be a challenge. Here is a brief overview of how to diagnose and replace a bad O2 sensor.   Sign up to receive our newsletter with valuable new tech articles and videos every month.   Transcript: Walker Products, made in the USA since 1946. Here is a…

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