Alex's Autohaus

SEPTEMBER 30, 2024

Technically, the US market gets a variant of the B48 called the B46. They are identical, other than a few small differences that allow the B46 to meet tighter emissions regulations. In addition to failing emissions tests, a failed EGR valve can impact the way your engine runs. The power output between the two is the same.

Engineering 89

Engineering Emissions Testing Utilities Oil Change 89

RepairSmith

JANUARY 15, 2024

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. How to Diagnose a Bad Fuel Pump (+Prevention Tips) Confirming a bad fuel pump requires special tools and technical knowledge. Let’s find out.

Check Engine Light 52

Check Engine Light Engineering Emissions Testing Mechanic 52

RepairSmith

JANUARY 9, 2024

You’ll technically be able to start and drive your car with a faulty O2 sensor, but you’ll likely face poor engine performance and a drop in fuel economy. Your Fuel Consumption Will Increase A faulty oxygen sensor can indicate an incorrect air ratio in the combustion chamber than what’s present. The short answer is no.

Check Engine Light 52

Check Engine Light Engineering Emissions Testing Car 52