CATI

JUNE 12, 2025

Module reprogramming refers to updating or reconfiguring the software in a vehicle’s electronic control unit (ECU) or other onboard modules. Here’s a closer look at why understanding module reprogramming is a must for today’s graduates and how CATI school prepares students for this important task. What Is Module Reprogramming?

Automotive 76

Automotive Software Emissions Testing Manufacturing 76

RepairSmith

OCTOBER 28, 2024

Diagnostic fees: If the issue requires testing, the auto repair shop may charge an extra diagnostic fee, typically around $50 to $100. Additional repairs: If the mechanic finds other damaged components, repairing or replacing them will increase your overall cost. How Long Does a Fuel Tank Pressure Sensor Last? Ideally, you shouldn’t.

IT 52

IT Check Engine Light Auto Repair Shop Engineering 52

RepairSmith

APRIL 25, 2024

The Electronic Control Module (ECM) regularly runs a leak test within the EVAP system using the fuel tank pressure sensor. 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. They’ll start by inspecting the gas cap.

Emissions Testing 52

Emissions Testing Check Engine Light Mechanic Engineering 52

RepairSmith

OCTOBER 8, 2024

Type of EGR valve : There are two types of EGR valves — electronic and mechanical. Electronic valves are usually more expensive to replace because they have more complex components and electronic controls. EGR valves typically last up to 100,000 miles or 10 years , whichever comes first. How Is an EGR Valve Replaced?

IT 52

IT Engineering Electronics Mechanic 52

RepairSmith

MARCH 28, 2024

This system traps and reroutes fuel vapor to the engine, reducing harmful emissions and improving fuel efficiency. What’s the purge valve’s function in the emissions system? The ECU (Electronic Control Unit) opens and closes the canister purge valve to control the vapor flow. How Do You Diagnose a Bad Purge Valve?

Check Engine Light 52

Check Engine Light Emissions Testing Engineering Mechanic 52

RepairSmith

SEPTEMBER 24, 2024

Vacuum-operated regulators are simpler in design and rely on mechanical components, making them less expensive to manufacture and replace. In contrast, electronic regulators are more complex and costly, using sensors and the engine control unit (ECU) to regulate fuel pressure. So, it’s best to have it swapped out by a professional.

Check Engine Light 52

Check Engine Light Engineering Mechanic Auto Repair 52

RepairSmith

SEPTEMBER 28, 2023

Failed Emissions Test Incomplete combustion can result in higher levels of unburned hydrocarbons and carbon monoxide in the exhaust. These increased pollutants can lead to a failed emissions test. If you’re not confident, it’s advisable to entrust it to a skilled mechanic.

Engineering 52

Engineering Emissions Testing Mechanic Electricity 52