Emission Control Systems

Understand the complex network of Automotive Emission Control Systems with our expert diagnostic guides. Designed to reduce pollutants and improve fuel efficiency, these systems are often the primary cause of a “Check Engine” light. Our resources cover everything from testing EGR (Exhaust Gas Recirculation) valves and PCV systems to diagnosing restricted catalytic converters and EVAP canister leaks. Learn how to interpret smog-related OBD-II codes, monitor oxygen sensor data, and ensure your vehicle is running clean and compliant with modern environmental standards.

(PCV) Valve: Major Problems From Lack Of Regular Maintenance

08/23/2024

Replacing a (PCV) valve, isn’t difficult. But, sometimes accessing it can be a struggle, depending on your vehicle. So, most people don’t realize how important regular maintenance is, on your (PCV) system. And, then only […]

(PCV) System: One Of The Biggest Causes, Of Engine Oil Sludge

08/22/2024

Did you know the most common problem, in the (PCV) system, is a plugged up (PCV) valve. Another problem, is a lack of air flow, to carry vapors, away from the crankcase. Because, without air […]

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: 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 […]

Loose Gas Cap: Most Common Cause For A Check Engine Light

08/14/2024

So, a loose gas cap is among the many causes, for a (CEL) check engine light to come on. In fact, a loose gas cap, is actually the most common cause, of a (CEL) check […]

Oxygen Sensor (O2) Mounted on Exhaust Manifold

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 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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