Volkswagen Golf Mk7 Owners Manual: Engine management system and exhaust purification system
This chapter covers the Volkswagen Golf Mk7's emissions-related systems: an introduction, the relevant indicator lamp, how the catalytic converter works, and the diesel particulate filter fitted to TDI models.
Questions & answers
Engine management system and exhaust purification system — Volkswagen Golf Mk7
What does the Golf Mk7 engine management and exhaust chapter cover?
The engine management warning lamp, the catalytic converter, and the diesel particulate filter — how they work, what damages them, and when to seek help.
Does the Golf Mk7 have a diesel particulate filter?
All TDI diesel models have a diesel particulate filter (DPF) that traps soot from the exhaust and burns it off during regeneration cycles.
What is the catalytic converter on the Golf Mk7?
A device in the exhaust system that converts harmful gases (CO, HC, NOx) into less harmful emissions. It requires unleaded fuel (petrol models) and correct engine management to function.


