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HomeEmission Control SystemsExhaust Emission Control

Exhaust Emission Control

Routine catalytic converter and EGR repair helps your car “breathe” better. Learn how to diagnose a “rotten egg” smell from the exhaust and how to clean carbon-clogged EGR ports to restore smooth engine performance and reduce NOx levels.

Catalytic Converter - Failure Signs And Testing - Learn The Basics
Exhaust Emission Control

Catalytic Converter – Failure Signs And Testing – Learn The Basics

10/03/2025
So, a catalytic converter, is a device used to reduce the emissions, from an internal combustion engine. Consequently, the catalytic converter works, by breaking down unburned gases, left over by the combustion process. And, requires […]
Air Injection System (AIS) - Air Pump - Function, Types, Failure
Exhaust Emission Control

Air Injection System (AIS) – Air Pump – Function, Types, Failure

09/08/2025
The air injection system (AIS), is actually part of the car’s exhaust system. Since no internal combustion engine is 100% efficient, there will always be some unburned fuel in the exhaust. As a result, the […]
Exhaust Gas Recirculation on engine
Exhaust Emission Control

Exhaust Gas Recirculation: Types, Failure, Cleaning, Replacement

08/21/2024
The exhaust gas recirculation (EGR) valve, does exactly what the name implies. It circulates, exhaust gas, for a second time. So, exhaust gas recirculation (EGR) valves, do not normally require maintenance. But, they can become […]
(EGR) Valve Location on Engine
Exhaust Emission Control

(EGR) Valve: Common Problems And Troubleshooting Procedures

08/20/2024
The (EGR) valve system, is designed to help minimize, harmful oxides of nitrogen in the air we breath. To help do this, the (EGR) valve allows, a calibrated amount of exhaust gas, to reenter the […]
Oxygen Sensor (O2) Mounted on Exhaust Manifold
Engine Sensors

Oxygen Sensor (O2) – Rich Or Lean Engine Codes, What To Check

07/15/2024
Replacement of a good Oxygen Sensor, is a common mistake made by (DIY) mechanics all the time. So, before replacing any Oxygen Sensor, you must find the real problem first. First, the Oxygen Sensor is […]
(O2) Oxygen Sensor in Exhaust Manifold
Engine Sensors

(O2) Oxygen Sensors – Function, Failure Symptoms, And Testing

03/22/2024
EVERY VEHICLE BUILT SINCE THE EARLY 1980’s, HAS ONE OR MORE (O2) OXYGEN SENSORS INTEGRATED INTO THE EXHAUST SYSTEM. So, (O2) oxygen sensors, confirm, that the proper air/fuel ratio, is actually reaching the engine. Consequently, […]

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