Test A
PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM [AS SMALL AS 1 MM (0.040 IN)], DTC P0456 VERY SMALL LEAK IN EVAP SYSTEM [AS SMALL AS 0.5 MM (0.020 IN)] OR DTC P0457 MISSING OR LEAKING FUEL FILLER CAPTest A1-A6:
Test A6-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.