DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Signal monitor - Stuck Rich	Poor connection HO2S upstream (S1) Blocking of intake system Fuel leakage in injector Improper fuel pressure
Enable Conditions	Exhaust gas temperature between 350°C (662°F) - 870°C (1598°F) Required Lambda = 1 Integrated exhaust gas mass after above condition greater than 35g
Threshold Value	Secondary control variable by downstream O2 sensor less than -0.07
Diagnostic Time	40 Seconds
MIL On Condition	2 Driving cycle
* S1: Upstream oxygen sensor/S2: Downstream oxygen sensor