ECM sets DTC P2191 if ECM monitors and detects fuel adaptation value is higher than specifications while vehicle is not in idle condition.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check the revised air-fuel-ratio | 1. Air leakage 2. Improper fuel pressure 3. PCV valve stuck 4. Clogging of injector |
Enable Conditions |
•
Torque is higher than 12.3% and lower than 35%
•
Engine speed is higher than 500rpm
•
IAT is lower than 70℃
•
Fuel System Status Closed loop | |
Threshold Value |
•
Fuel adaptive value of Multiplicative fuel adaption range is higher than 1.35 | |
Diagnostic Time |
•
25 sec | |
MIL ON Condition |
•
3 driving cycle |
