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Home >> Ford >> 2004 >> Excursion 6.8 S, 4WD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Auxiliary Emission Control Systems >> Evaporative Emissions System - Excursion & F250-F550 Super Duty >> Diagnosis And Testing >> Evaporative Emissions >> Pinpoint Tests >> Pinpoint Test A: DTC P0442 Small Leak In EVAP System

Pinpoint Test A: DTC P0442 Small Leak In EVAP System

NOTE: Condition P0442 DTC set: Less than 0.625 kPa (2.5 inches H2 O) bleed-up over 15 seconds at 75% fuel fill. Vapor generation limit: more than 0.625 kPa (2.5 inches H2 O) over 120 seconds.
Fig 1: Pinpoint Test A: DTC P0442 Small Leak In EVAP System (Step A1 To A4)
G02773386Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test A: DTC P0442 Small Leak In EVAP System (Step A5 To A7)
G02773387Courtesy of FORD MOTOR CO.
Fig 3: Pinpoint Test A: DTC P0442 Small Leak In EVAP System (Step A8 To A10)
G02773388Courtesy of FORD MOTOR CO.