Alex's Autohaus

SEPTEMBER 30, 2024

Exhaust Gas Recirculation (EGR) Valve Issues EGR valves redirect some exhaust gasses back through the intake side of the motor, allowing the harmful emissions to combust again, reducing the overall pollutant output of the motor. In addition to failing emissions tests, a failed EGR valve can impact the way your engine runs.

Engineering 89

Engineering Emissions Testing Utilities Oil Change 89

Alex's Autohaus

FEBRUARY 28, 2023

We’re going to go over the current (2023) best modifications for the EA825 platform, so you have an idea of what you can expect to get out of your car when you are ready to start modifying it. What Cars Use the EA825? The S6 and S7 no longer utilize the 4.0t. The RS7, S8, and new RS6 Avant also utilize it.

Utilities 52

Utilities Engineering Emissions Testing Software 52

RepairSmith

MAY 2, 2024

Learning about the common causes, understanding the risks of ignoring the light, and utilizing our mobile diagnostic services can save you time and prevent costly repairs. Catalytic Converter Failure: Without a functioning catalytic converter, your vehicle will run less efficiently, emit more pollutants, and may not pass an emissions test.

Check Engine Light 52

Check Engine Light Engineering Emissions Testing Utilities 52

Alex's Autohaus

DECEMBER 30, 2022

Older cars featuring this engine are becoming very affordable. The first half will cover the upgrade options for lower output 4.0t, and the second will look at the path for the high output version found in RS cars and the S8. To push the car further, they need to be replaced with bigger ones. came in the S6, S7, and A8.

Engineering 52

Engineering Software Emissions Testing Car 52