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Freeze Frame Diagnostics

Tomorrow's Technician

Article courtesy UNDERHOOD SERVICE. This standardized many of the onboard emissions protocols and codes and allowed states to perform onboard emissions testing. As time passed, even large trucks and motorcycles adopted this same method to test the emissions status of a vehicle.

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P0442: EVAP System Leak Detected (Small Leak)

RepairSmith

This Article Contains: What Is P0442? Engine code P0442 stands for “Evaporative Emission Control System Leak Detected (Small Leak).” A Failed Emissions Test or Smoke Test One of the main indicators of the P0442 code is a failed emission test or a smoke test. What does a P0442 code mean?

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BMW G-Chassis 3-Series Common Problems

Alex's Autohaus

In this article, we will dive into the mechanical aspects of the G Chassis 3 Series, looking at some of the most common issues owners see. It’s worth noting this article will only be looking at engine and powertrain problems. In addition to failing emissions tests, a failed EGR valve can impact the way your engine runs.

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What is the Knock Sensor Replacement Cost + Is it Worth?

RepairSmith

This Article Contains: How Much Does Knock Sensor Replacement Cost? Failed emissions test: A faulty knock sensor can affect how the engine burns fuel, which may lead to higher emissions and a failed emissions test. Is it Worth Replacing the Knock Sensor? How to Diagnose a Faulty Knock Sensor?

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Purge Valve Replacement: Why It’s Important + Costs Involved

RepairSmith

To help prevent a breakdown or excessive emissions, we’ll discuss what the purge valve does, the replacement process, and repair costs. This Article Contains: What Is the Purge Valve and What Does it Do? A failing purge valve will increase your vehicle’s emissions, negatively affecting the environment. Let’s begin.

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Air Quality and Junk Cars: What You Should Know About California’s Ongoing Struggle

The Mechanic Doctor

In this article, we’ll take a look at what is left for those owners to do. California’s Air Quality and Its Efforts To Reduce Vehicle Emissions Unfortunately, California is world-famous for its smog and poor air quality. Some junk cars require expensive repairs to ensure they adhere to the state’s rigid air quality laws.

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Can You Drive with an EVAP Leak + How to Spot One?

RepairSmith

This Article Contains: Can You Drive with an EVAP Leak? The loss of fuel vapor also affects your car’s fuel efficiency , resulting in reduced mileage and increased emissions. This could cause your vehicle to fail an emissions test and damage your catalytic converter , resulting in costly repairs and hefty fines.