E-Book · Diagnostics

Exhaust Systems & Emissions

Cats, sensors and MOT failures

What you'll be able to do: Diagnose exhaust and emissions faults properly.

Understand lambda sensors, catalyst efficiency codes and blowing joints, and fix emissions failures at the cause.

What's inside

• Exhaust layout and flow basics
• Lambda sensor operation and testing
• Catalyst efficiency diagnosis
• Leaks, joints and mounting
• Emissions test preparation