Test A

PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM SMALL AS 1 MM (0.040 IN)], DTC P0456 VERY SMALL LEAK IN EVAP SYSTEM SMALL AS 0.5 MM (0.020 IN)] OR DTC P0457 MISSING OR LEAKING FUEL FILLER CAP

Test A1-A3:

Test A4-A7:

Test A8-A10:

Possible Causes
- DTC P0442, P0456 or P0457 can be generated by:
- Loose or missing fuel filler cap.
- Loose or damaged connections to fuel vapor hoses, tubes or connections.