Component Tests and General Diagnostics

Mechanical System Testing Instructions For Tank-leak Diagnosis
These testing instructions describe all currently known fault locations where a leak can occur.

Checking the connections at the fuel tank and lever-type sensor for leaks.

Fuel Tank Connections:

Checking the connections at the activated carbon filter for leaks.

Checking the connections at the filler pipe for leaks

Filler Pipe Connection:

Checking the connections for purge air at the tank-ventilation valve for leaks.

Tank Ventilation Valve:

Checking the corrugated tubing for leaks.

Corrugated Tubing:

Checking the lines for leaks.

Fuel Line Connection:

Checking the connector at the DMTL for leaks.