Details On DTCs

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P2097-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	HO2S fuel injection control system: Air fuel too rich
Detection condition	Determination conditions	Due to a correction deviation of the A/F sensor, the specified period of time has elapsed while the fuel feedback correction amount [SHRT_FUEL_TRIM_HO2S_SEN] for the HO2S is the standard or less and the fuel learning correction amount ([SHRT_FUEL_TRIM_HO2S_SEN] + [LONG_FUEL_TRIM_HO2S_SEN]) is the standard or less.
	Preconditions	HO2S estimated temperature: Above 450°C {842°F}
	Malfunction determination period	25 s period
	Drive cycle	2
	Self test type	CMDTC self test
	Sensor used	HO2S
Fail-safe	Not applicable
Vehicle status when DTCs are output	Not applicable
Possible cause	Erratic signal to PCM ECT sensor No. 1 signal malfunction MAF sensor signal malfunction MAP sensor signal malfunction IAT sensor No. 2 signal malfunction Related connector or terminals malfunction Related wiring harness malfunction Improper operation of electric variable valve timing control system Electric variable valve timing driver malfunction Electric variable valve timing motor malfunction Electric variable valve timing actuator malfunction Improper operation of hydraulic variable valve timing control system Air suction in intake air system Poor fuel quality HO2S malfunction HO2S incorrect installation A/F sensor malfunction A/F sensor incorrect installation Exhaust system leakage A/F sensor deterioration Fuel injector malfunction Improper operation of fuel injector Fuel injector related wiring harness malfunction Improper operation of purge control system Purge solenoid valve malfunction Purge solenoid hoses improper connection Fuel leakage or restriction in fuel line MAP sensor malfunction MAF sensor malfunction Air cleaner element restricted PCM malfunction