DTC P0171 System Too Lean (Bank 1): DTC Detecting Condition

DTC P0171 DETECTING CONDITION TABLE

Item	Detecting Condition	Possible Cause
DTC Strategy	Monitoring deviation of fueling control (Long term + Short term)	Three Way Catalytic Converter (TWC) Rear HO2S
Enable Conditions	Lambda control active Canister load < 1
Threshold Value	Monitoring deviation of fueling control (Long term + Short term) > 1,5 * Emission Standard
Diagnostic Time	60 sec.
MIL On Condition	2 Driving Cycles