McAutos
McAutos
VEHICLE ELECTRONICS & MECHANICS
FAULT DIAGNOSIS & REPAIRS
0208 407 3413
07956 585 787
info@mcautos.co.uk
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EXHAUST
The exhaust system on your vehicle has three main functions.
1. It transfers poisonous exhaust gases from the engine to the rear of the vehicle.
2. It quietens the sound of the engine while running.
3. It converts unspent fuel into spent fuel.
The main exhaust system components are: Exhaust manifold, Exhaust pipe, Catalytic converter, silencer, tail pipe, EGR valve, NOX & O2 sensor/s.

Exhaust system components commonly fail due to corrosion over time, although, the catalytic converter (one of the most expensive parts in the exhaust system) can be easily damaged if the engine is not running efficiently due to common engine management faults, such as faulty oxygen sensor/s or engine misfire etc.
Top Tip  
Catalytic converters can be damaged easily by heavy impact so watch out for them speed humps!