DTC Information: DTC Detecting Condition

2021 Kia Forte EXSECTION DTC Detecting Condition
Item Detecting Condition Possible Cause
DTC Strategy
  • Check catalyst oxygen storage capacity
  • Exhaust system
  • Faulty downstream HO2S
  • Catalyst converter
  • ECTS out of range
  • Exhaust manifold
  • High fuel pressure
  • Incorrect connection
  • Misfire
  • Faulty injector
  • Faulty EGR system
Enable Conditions
  • ECTS > 73Β°C (163Β°F)
  • Modeled catalyst temperature between 1022Β°F -1526Β°F
  • Vehicle speed > 3 mph
  • Engine speed between 1300 - 3300 rpm
  • MAFS between 0.3 - 0.9g/revolution
  • Ambient pressure > 70 kPa (700hPa)
  • Canister load < 0.5
  • Lambda control active & stable driving condition
  • Downstream O2 sensor operative readiness
  • No opening/closing of canister purge valve
  • No relevant failure
  • Battery voltage between 11 - 16 volts
Threshold Value
  • Average malfunction index > 1
Diagnostic Time
  • 50 Lambda controller cycles
MIL ON Condition
  • 2 Driving 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:

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