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Learning Center

How Do Tires Lose Pressure?

Many factors affect tire pressure... Read More

Quest for the Ideal Coolant Ratio

How much anti-freeze should you have in your cooling system? Read More

What Is the Proper Pressure For My Tires?

Should tires be inflated to the vehicle's specifications or the PSI found on the tire itself? Read More

NGK Resistor Cover Guide

NGK Resistor Cover Guide Read More

Plug Torque Settings

It is essential to tighten a spark plug to the specified turning angle or torque setting... Read More

Discontinued NTK Oxygen Sensors

Discontinued NTK Oxygen Sensors Read More

Discontinued NGK Glow Plugs

Discontinued NGK Glow Plugs Read More

Discontinued NGK Spark Plugs

Discontinued NGK Spark Plugs Read More

What Effect do Fuel Additives and Injector Cleaners Have on Oxygen Sensors?

Fuel additives and injector cleaners that are labeled as "oxygen sensor safe" may be used in sensor equipped vehicles... Read More

How do I Test an Oxygen Sensor?

How do I test an oxygen sensors performance to know if it needs to be replaced? Read More

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