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Home >> Kia >> 2020 >> Soul GT Line Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Engine Control System Diagnosis - 2.0L (4 Of 6)) >> DTC P0442-00: Evaporative Emission System-Leak Detected (Small Leak) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring Fuel Tank Pressure Trend after Evacuation
  • Poor Connector Connection
  • Air leak in PCSV hose
  • Damaged or missing fuel filler cap
  • Faulty or damaged fuel filler pipe
  • Leaking, disconnected or plugged fuel vapor line
  • Faulty PCSV
  • Faulty canister
  • Faulty FTPS
Enable Conditions
  • Engine coolant temperature higher than 50°C (122°F)
  • Ambient air temperature model higher than -10°C (14°F)
  • Vehicle speed lower than 12km/h (7.4mph)
  • Fuel level is greater than 15% and less than 85%
  • 100s after engine start
  • Ambient pressure model more than 10.87 psi (0.75bar)
  • Canister load less than 0.35
  • Minimum canister purge time more than 3s in case of canister load less than or equal to 0.15
  • Minimum canister purge time more than 25s in case of canister load more than or equal to 0.15
  • Engine speed higher lower than 1400 to 2500 RPM depending on ECT
  • Pedal value less than 0.01% (Pedal sensor 1 voltage 0.859V, not pushed at all)
  • Differential fuel tank pressure is greater than -1100Pa and less than 400Pa
  • Minimum drive time check done one time since engine start (vehicle speed higher than 22.5km/h (14mph) during 90s)
  • 320s since last EVAP monitoring test abortion
  • Battery voltage higher than 10V
  • Fuel sloshing not detected
Threshold Value
  • Estimated Leakage Diameter more than or equal to 0.03in (0.81 mm)
Diagnostic Time
  • 30s
MIL ON Condition
  • 2 driving cycles