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Home >> Volkswagen >> 2006 >> GTI 1.8 E, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 283 (3.2L - Generic Scan Tool - Engine Code(S): CBRA) >> St Generic Scan Tool >> Diagnostic Trouble Code Tables >> Sae P2XXX Diagnostic Trouble Codes >> Fuel and air ratio

Fuel and air ratio

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
P2101 Throttle Actuator Control Motor Circuit Range/Performance -- THROTTLE VALVE CONTROL MODULE J338, CHECKING .
  • Duty cycle >80% and ECM power stage, no failure
  • Deviation throttle valve angles vs. calculated value 4-50%
 -
  • 5 Seconds
  • 0.5 Seconds
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System - Forced Limited Power -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING .
  • Internal logic and checksum, incorrect
 - 2 Seconds
  • Multiple
  • 2 DCY
P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input -- Refer to THROTTLE POSITION SENSOR G79 AND ACCELERATOR PEDAL POSITION SENSOR 2 G185, CHECKING . Signal voltage, < 0.63 V Time after engine start, >2.00 s 0.5 Seconds
  • Continuous
  • 2 DCY
P2123 Throttle/Pedal Position Sensor/Switch D Circuit High Input -- Refer to THROTTLE POSITION SENSOR G79 AND ACCELERATOR PEDAL POSITION SENSOR 2 G185, CHECKING . Signal voltage, >4.81 V Time after engine start, >2.00 s 0.5 Seconds
  • Continuous
  • 2 DCY
P2127 Throttle/Pedal Position Sensor/Switch E Circuit Low Input -- Refer to THROTTLE POSITION SENSOR G79 AND ACCELERATOR PEDAL POSITION SENSOR 2 G185, CHECKING . Signal voltage, < 0.29 V Time after engine start, >2.00 s 0.5 Seconds
  • Continuous
  • 2 DCY
P2128 Throttle/Pedal Position Sensor/Switch E Circuit High Input -- Refer to THROTTLE POSITION SENSOR G79 AND ACCELERATOR PEDAL POSITION SENSOR 2 G185, CHECKING . Signal voltage, >2.50 V Time after engine start, >2.00 s 0.5 Seconds
  • Continuous
  • 2 DCY
P2138 Throttle/Pedal Position Sensor/Switch D / E Voltage Correlation -- Refer to THROTTLE POSITION SENSOR G79 AND ACCELERATOR PEDAL POSITION SENSOR 2 G185, CHECKING .
  • Signal voltage, sensor 1 vs. sensor 2, >0.12-0.70 V
  • Signal voltage sensor 1, <0.90 V
  • And signal voltage sensor 2 >0.50 V
  • Signal voltage sensor 1, >1.01 V
  • And signal voltage sensor 2, <0.45 V
  • Signal voltage sensor 1, >0.43 V
  • Signal voltage sensor 2, >0.43 V
  • Key on frequency, >10
 0.5 Seconds
  • Continuous
  • 2 DCY
P2181 Cooling System Performance -- Refer to ENGINE COOLANT TEMPERATURE SENSOR G62, CHECKING .-- Refer to COOLANT PUMP V50, CHECKING .-- Check Coolant Thermostat. Refer to Coolant Hose Connection Diagram . Cooling system temperature to low after a sufficient air mass flow integral, 75° C
  • Begin of mass integration when engine temp, 40° C
  • ECT at start, -10-60° C
  • IAT, -10° C
  • Fuel cut off, Not active
  • Engine load, 16.5-95.3%
  • Integrated air mass, 2.37-17.29 depending on engine temp. 120 sec. at start. observed IAT for longer than 0.91 Kg at engine start and min. observed IAT for more than 1.46 kg
 200 Seconds
  • Once/DCY
  • 2 DCY
P2184 Engine Coolant Temperature Sensor 2 Circuit Low -- Refer to ENGINE COOLANT TEMPERATURE SENSOR G83 ON RADIATOR, CHECKING . ECT outlet, >141° C - 0.5 seconds
  • Continuous
  • 2 DCY
P2185 Engine Coolant Temperature Sensor 2 Circuit High -- Refer to ENGINE COOLANT TEMPERATURE SENSOR G83 ON RADIATOR, CHECKING . ECT outlet, <-45.8° C - 0.5 seconds
  • Continuous
  • 2 DCY
P2195  O2 Sensor Signal Biased/Stuck Lean - Bank 1, Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . Delta lambda of 2nd lambda control loop, >0.055
  • Exhaust temp, 300-900° C
  • Engine load, <9%
  • Exhaust gas mass flow, 15-140 kg/h
  • Number of interrupts by acceleration enrichment, >40
  • Lambda control, Closed loop
  • 2nd Lambda control, Closed loop
  • O2S front, Ready, no fault
  • O2S rear, Ready, no fault
  • O2S heater front, Ready, no fault
  • O2S heater rear, Ready, no fault
  • Fuel cut off, Not active
  • Catalyst heating, Not active
  • SAI, Not active
 100 seconds.
  • Multiple
  • 2 DCY
P2196  O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . Delta lambda of 2nd lambda control loop, >0.055
  • Exhaust temp, 300-900° C
  • Engine load, <9%
  • Exhaust gas mass flow, 15-140 kg/h
  • Number of interrupts by acceleration enrichment, >40
  • Lambda control, Closed loop
  • 2nd Lambda control, Closed loop
  • O2S front, Ready, no fault
  • O2S rear, Ready, no fault
  • O2S heater front, Ready, no fault
  • O2S heater rear, Ready, no fault
  • Fuel cut off, Not active
  • Catalyst heating, Not active
  • SAI, Not active
 100 seconds.
  • Multiple
  • 2 DCY
P2197  O2 Sensor Signal Stuck Lean Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . Delta lambda of 2nd lambda control loop, >0.055
  • Exhaust temp, 300-900° C
  • Engine load, <9%
  • Exhaust gas mass flow, 15-140 kg/h
  • Number of interrupts by acceleration enrichment, >40
  • Lambda control, Closed loop
  • 2nd Lambda control, Closed loop
  • O2S front, Ready, no fault
  • O2S rear, Ready, no fault
  • O2S heater front, Ready, no fault
  • O2S heater rear, Ready, no fault
  • Fuel cut off, Not active
  • Catalyst heating, Not active
  • SAI, Not active
 100 seconds.
  • Multiple
  • 2 DCY
P2198  O2 Sensor Signal Stuck Rich Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . Delta lambda of 2nd lambda control loop >0.055
  • Exhaust temp, 300-900° C
  • Engine load, <9%
  • Exhaust gas mass flow, 15-140 kg/h
  • Number of interrupts by acceleration enrichment, >40
  • Lambda control, Closed loop
  • 2nd Lambda control, Closed loop
  • O2S front, Ready, no fault
  • O2S rear, Ready, no fault
  • O2S heater front, Ready, no fault
  • O2S heater rear, Ready, no fault
  • Fuel cut off, Not active
  • Catalyst heating, Not active
  • SAI, Not active
 100 seconds.
  • Multiple
  • 2 DCY
P2231 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . Delta O2S signal front, >250μA
  • Engine speed, <3000 RPM
  • Exhaust gas temp, <800° C
  • O2S ceramic temp, >715° C
  • Heater duty cycle, 20-80%
  • Heater control, Closed loop
  • O2S heater, No fault
  • Lambda set value, 1
  • Lambda, 0.95-1.05
 15 Seconds
  • Multiple
  • 2 DCY
P2234 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . Delta O2S signal front, >250μA
  • Engine speed, <3000 RPM
  • Exhaust gas temp, <800° C
  • O2S ceramic temp, >715° C
  • Heater duty cycle, 20-80%
  • Heater control, Closed loop
  • O2S heater, No fault
  • Lambda set value, 1
  • Lambda, 0.95-1.05
 15 Seconds
  • Multiple
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit / Open - Bank 1, Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING .
  • O2S signal front 1.17 V
  • And Fuel cut off > 3 Sec.
  • O2S signal front 1.47-1.52 V
  • And Delta lambda controller >0.1
  • O2S ceramic temperature, >720 °C
  • Electrical adjustment, Not active
  • Heater control, Closed loop
  • EVAP purge valve, Ready, no fault
  • O2S ceramic temperature, >720 °C
  • Lambda modulation, >0.017
  • Lambda control, Closed loop
  • Heater control, Closed loop
 6.5 Seconds
  • Multiple
  • 2 DCY
P2240 O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .
  • O2S signal front 1.17 V
  • And Fuel cut off > 3 Sec.
  • O2S signal front 1.47-1.52 V
  • And Delta lambda controller >0.1
  • O2S ceramic temperature, >720 °C
  • Electrical adjustment, Not active
  • Heater control, Closed loop
  • EVAP purge valve, Ready, no fault
  • O2S ceramic temperature, >720 °C
  • Lambda modulation, >0.017
  • Lambda control, Closed loop
  • Heater control, Closed loop
 6.5 Seconds
  • Multiple
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit / Open - Bank 1, Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING .
  • O2S signal front> 4.8 V and Internal resistance > 950 Ohm
  • or O2S signal front< 0.2 V And Internal resistance > 950 Ohm
 Heater control, Active 40 Seconds
  • Multiple
  • 2 DCY
P2247 O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .
  • O2S signal front> 4.8 V and Internal resistance > 950 Ohm
  • or O2S signal front< 0.2 V And Internal resistance > 950 Ohm
 Heater control, Active 40 Seconds
  • Multiple
  • 2 DCY
P2251 O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING .
  • O2S signal Front
  • And Internal resistance >950 Ohm
  • Modeled exhaust temp,
  • No fuel cut off, >2 Sec.
  • Heater control, Active
 60 Seconds
  • Multiple
  • 2 DCY
P2254 O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .
  • O2S signal Front
  • And Internal resistance >950 Ohm
  • Modeled exhaust temp,
  • No fuel cut off, >2 Sec.
  • Heater control, Active
 60 Seconds
  • Multiple
  • 2 DCY
P2257 Secondary Air Injection System Control "A" Circuit Low -- Refer to SECONDARY AIR INJECTION PUMP RELAY J299, CHECKING . Signal voltage, <3.0 V
  • Pump relay, Commanded off
  • Engine speed, >80 RPM
 0.5 Seconds
  • Continuous
  • 2 DCY
P2258 Secondary Air Injection System Control "A" Circuit High -- Refer to SECONDARY AIR INJECTION PUMP RELAY J299, CHECKING . Signal current, 0.6-1.2 A
  • Pump relay, Commanded on
  • Engine speed, >80 RPM
 0.5 Seconds
  • Continuous
  • 2 DCY
P2270  O2 Sensor Signal Stuck Lean Bank 1 Sensor 2 -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . O2S signal rear not oscillating at reference, <630 mV
  • Mass air flow, 30-160 kh/h
  • Exhaust gas temp, >350° C
  • O2S rear readiness, >10 Sec.
  • 2nd Lambda control, Closed loop
 120 Seconds
  • Continuous
  • 2 DCY
P2271  O2 Sensor Signal Stuck Rich Bank 1 Sensor 2 -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . O2S signal rear not oscillating at reference, >630 mV
  • Mass air flow, 30-160 kh/h
  • Exhaust gas temp, >350° C
  • O2S rear readiness, >10 Sec.
  • Fuel cut off, >5 Sec.
  • 2nd Lambda control, Closed loop
 120 Seconds
  • Continuous
  • 2 DCY
P2272  O2 Sensor Signal Stuck Lean Bank 2 Sensor 2 -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . O2S signal rear not oscillating at reference, <630 mV
  • Mass air flow, 30-160 kh/h
  • Exhaust gas temp, >350° C
  • O2S rear readiness, >10 Sec.
  • 2nd Lambda control, Closed loop
 120 Seconds
  • Continuous
  • 2 DCY
P2273  O2 Sensor Signal Stuck Rich Bank 2 Sensor 2 -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . O2S signal rear not oscillating at reference, >630 mV
  • Mass air flow, 30-160 kh/h
  • Exhaust gas temp, >350° C
  • O2S rear readiness, >10 Sec.
  • Fuel cut off, >5 Sec.
  • 2nd Lambda control, Closed loop
 120 Seconds
  • Continuous
  • 2 DCY
P2279 Intake Air System Leak -- Refer to POSITIVE CRANKCASE VENTILATION HEATING ELEMENT N79, CHECKING .
-- Check the Intake Air System for leaks.
  • Threshold to detect a defective system, 2.00
And
  • Ratio of the tie System defective during the measurement window to the whole duration of the measurement window 0.80
  • Time after engine start, >10 Sec.
  • Engine load, <50%
  • Mass air flow, <70 kg/h
  • ECT, >-30° C
  • IAT, <80.30° C
  • Lambda control value, <15%
  • Vehicle speed, <5 km/h
  • Duration of measurement, >3.50 Sec.
  • Number of checks, 3
  • Lambda control, Active
  • O2S front, No fault
 10.5 Seconds
  • 3 Times
  • 2 DCY
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