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Removing and installing Lambda probeG39 and Lambda probe heaterZ19 before catalytic converter > < Exhaust system: install without stress

Leon Mk2

Checking exhaust system for leaks
Checking exhaust system for leaks
–  Start engine and run at idling speed.
–  Cover the end pipe for the seal verification (for example using a cloth or plug).
–  Listen for noise at connection points (cylinder head/exhaust manifold, exhaust manifold/front exhaust pipe, etc.) to locate any leaks.
–  Repair any leaks found.
   

Removing and installing Lambda probeG39 and Lambda probe heaterZ19 before catalytic converter > < Exhaust system: install without stress