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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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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.

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How Long Can You Drive with a Bad Fuel Pump?

RepairSmith

This Article Contains: How Long Can You Drive with a Bad Fuel Pump? Failed Emissions Test A malfunctioning fuel pump delivering too much fuel could make the vehicle’s engine run rich, leading to a failed emissions test. Plus, it can be dangerous to drive with a faulty fuel pump. Let’s find out.

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8 Symptoms of a Bad Camshaft Position Sensor (+ How to Fix)

RepairSmith

This Article Contains: 8 Symptoms of a Faulty Camshaft Position Sensor What Causes a Camshaft Position Sensor to Fail? Failed Emissions Test A bad camshaft position sensor creates an overly rich fuel mixture that doesn’t burn completely and increases harmful emissions like carbon monoxide, nitrogen oxides, etc.,