Action in service
- If fault codes relating to the DMTL are stored, clear the fault code memory
- Perform DMTL function test (see 'CONDITION FOR FAULT CODE MEMORY ENTRY ')
- If the fault cannot be reproduced, there is no leak! Conclude repair!
- If the fault can be reproduced by the DMTL function test, there is a leak in the fuel tank ventilation system, look for leak.