Fuel and air mixture, additional emissions regulations

WARNING: This page is about a different car, the 2008 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P2088	A Camshaft Position Actuator Control Circuit Low Bank 1	-- Refer to CAMSHAFT ADJUSTMENT VALVE 1 N205, CHECKING .	Signal voltage	Camshaft valve, commanded off Engine speed, >80 RPM	0.5 Seconds	Continuous 2 DCY
P2089	A Camshaft Position Actuator Control Circuit High Bank 1	-- Refer to CAMSHAFT ADJUSTMENT VALVE 1 N205, CHECKING .	Signal current	Camshaft valve, commanded on Engine speed, >80 RPM	0.5 Seconds	Continuous 2 DCY
P2090	"B" Camshaft Position Actuator Control Circuit Low Bank 1	-- Refer to CAMSHAFT ADJUSTMENT VALVE 1 N318, CHECKING .	Signal voltage	Camshaft valve, commanded off Engine speed, >80 RPM	0.5 Seconds	Continuous 2 DCY
P2091	"B" Camshaft Position Actuator Control Circuit High Bank 1	-- Refer to CAMSHAFT ADJUSTMENT VALVE 1 N318, CHECKING .	Signal current	Camshaft valve, commanded on Engine speed, >80 RPM	0.5 Seconds	Continuous 2 DCY
P2096	Post Catalyst Fuel Trim System Too Lean Bank 1	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .-- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING .	I-portion of 2nd lambda control, < -0.03	Exhaust temp, 300-900° C Exhaust gas mass flow, 15.00 kg/h Lambda control, Closed loop Lambda control, Not at min or max limit 2nd lambda control, Closed loop O2S front, Ready, No fault O2S rear, Ready, No fault O2S heater front, Active O2S heater rear, Active Fuel cut off, Not active Catalyst heating, Not active SAI, Not active	100 Seconds	Multiple 2 DCY
P2097	Post Catalyst Fuel Trim System Too Rich Bank 1	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .-- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING .	I-portion of 2nd lambda control, < -0.03	Exhaust temp, 300-900° C Exhaust gas mass flow, 15.00 kg/h Lambda control, Closed loop Lambda control, Not at min or max limit 2nd lambda control, Closed loop O2S front, Ready, No fault O2S rear, Ready, No fault O2S heater front, Active O2S heater rear, Active Fuel cut off, Not active Catalyst heating, Not active SAI, Not active	100 Seconds	Multiple 2 DCY
P2098	Post Catalyst Fuel Trim System Too Lean Bank 2	-- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .-- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING .	I-portion of 2nd lambda control, < -0.03	Exhaust temp, 300-900° C Exhaust gas mass flow, 15.00 kg/h Lambda control, Closed loop Lambda control, Not at min or max limit 2nd lambda control, Closed loop O2S front, Ready, No fault O2S rear, Ready, No fault O2S heater front, Active O2S heater rear, Active Fuel cut off, Not active Catalyst heating, Not active SAI, Not active	100 Seconds	Multiple 2 DCY
P2099	Post Catalyst Fuel Trim System Too Rich Bank 2	-- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .-- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING .	I-portion of 2nd lambda control, < -0.03	Exhaust temp, 300-900° C Exhaust gas mass flow, 15.00 kg/h Lambda control, Closed loop Lambda control, Not at min or max limit 2nd lambda control, Closed loop O2S front, Ready, No fault O2S rear, Ready, No fault O2S heater front, Active O2S heater rear, Active Fuel cut off, Not active Catalyst heating, Not active SAI, Not active	100 Seconds	Multiple 2 DCY