If the Long Term Fuel Trim(Additive) is higher than the specified value, the PCM sets DTC P2187.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Additive Long Term Fuel Trim upper limit reached | 1. Air leakage 2. Improper fuel pressure 3. PCSV stuck 4. Clogging of injector |
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) greater than 7.50 % | |
Diagnostic Time |
•
80 sec. | |
MIL On Condition |
•
2 Driving cycle |
