FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check Signal Stuck Lean
  1. Poor connection
  2. S1
  3. Blocking of intake system
  4. Fuel leakage in injector
  5. Improper fuel pressure
Enable Conditions
  • Sensor ceramic temp. is higher than 1346°F (730°C)
  • Catalyst temp.(model) is between 986°F (530°C) and 1562° F (850°C)
  • Exhaust mass flow is between 15kg/h and 150kg/h
  • Required Lambda 1
Threshold Value
  • Secondary control variable by downstream O2 sensor is higher than 7%
Diagnostic Time
  • 40 sec.
MIL ON Condition
  • 2 Driving Cycles.