Diagnostic Aids

Perform this test only when directed by QUICK TEST. DTC P0442 will set when EVAP control system monitor fails when PCM detects one of the following from EVAP system:

• Less Than 2.5 in. H₂ O (.625 kPa) Bleed-Up In 15 Seconds At 75 Percent Fuel Fill
• Vapor Generation Limit; More Than 2.5 in. H₂ O (.625 kPa) In 120 Seconds