Detection Conditions
- DTC P0442 indicates a leak has been detected as small as 0.04" (1 mm) in EVAP canister purge valve solenoid system. There is less than 2.5 in. H2O (0.625 kPa) bleed-up over 15 seconds at 75 percent fuel fill level. Bleed-up and evaluation time vary as a function of fuel fill level. Vapor generation limit is more than 2.5 in. H2O (0.625 kPa) over 120 seconds.
- DTC P0456 indicates a fuel vapor leak from an opening as small as .020" (.51mm) has been detected by EVAP running loss monitor test.