If the Long Term Fuel Trim(Additive) is lower than the specified value, the PCM 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 |
•
Torque greater than 5.8% and less than 30 %
•
Engine speed less than 1000 rpm
•
ECT greater than 60 ℃(140 °F)
•
IAT less than 80 ℃(176 °F)
•
Fuel System Status : Closed loop
•
Canister purge control off | |
Threshold Value |
•
Long Term Fuel Trim (additive) less than -7.50 % | |
Diagnostic Time |
•
80 sec. | |
MIL On Condition |
•
2 Driving cycle |
