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HOMESERVICE MANUALSKIA2015OPTIMA SX TURBOREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 107 (ENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 3) - 2.4L (EXCEPT HEV))DTC P0454: EVAPORATIVE EMISSION SYSTEM-PRESSURE SENSOR INTERMITTENTDTC INFORMATIONDTC DETECTING CONDITION
2015 Kia Optima SX Turbo

DTC Information: DTC Detecting Condition

2015 Kia Optima SX TurboSECTION DTC Detecting Condition
WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Noisy signal check
  1. Poor connection or damaged harness
  2. Faulty FTPS
Enable Conditions
  • Coolant temperature > 74°C (165°F)
  • Ambient air temperature model > -10°C (14°F)
  • Vehicle speed < 10km/h (6 mph)
  • Time after start > 590 Seconds
  • Limited Canister saturation
  • Estimated altitude< 2.4km (8000 ft)
  • Canister load <1
  • Minimum canister purge time: 3~25 Seconds
  • -1700 Pa < Differential fuel tank Pressure < 400 Pa
  • Idle speed engine operating state
  • No relevant failure
  • 11V < Battery voltage < 16V
Threshold Value
  • Leak detection test inhibited more than 3 times due to noise in tank pressure signal
Diagnostic Time
  • 3 times Leak test inhibited by Noisy signal
Mil On Condition
  • 2 Drive Cycles
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.