If the Long Term Fuel Trim(Additive) is lower than the specified value, the ECM sets DTC P2188.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Additive Long Term Fuel Trim lower limit reached | 1. Blocking of intake system 2. Fuel leakage in injector 3. Improper fuel pressure |
Enable Conditions |
•
5.8 % < Torque < 30 %
•
Engine speed < 1000 rpm
•
ECT > 60 ℃(140 °F)
•
IAT < 80 ℃(176 °F)
•
Fuel System Status : Closed loop
•
Canister purge control off | |
Threshold Value |
•
Long Term Fuel Trim (additive) < -7.50 % | |
Diagnostic Time |
•
80 sec. | |
MIL ON Condition |
•
2 driving cycles |
