Fuel and air ratios
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 |
|---|---|---|---|---|---|---|
| P0101 | Mass or Volume Air Flow A Circuit Range/Performance | -- Refer to MASS AIR FLOW SENSOR G70/INTAKE AIR TEMPERATURE SENSOR G42, CHECKING . |
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3 Seconds 150 Seconds |
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| P0102 | Mass or Volume Air Flow A Circuit Low Input | -- Refer to MASS AIR FLOW SENSOR G70/INTAKE AIR TEMPERATURE SENSOR G42, CHECKING . | MAF sensor signal, <0.2 V | Time after engine start, >150 camshaft revolutions | 2 Second |
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| P0103 | Mass or Volume Air Flow A Circuit High Input | -- Refer to MASS AIR FLOW SENSOR G70/INTAKE AIR TEMPERATURE SENSOR G42, CHECKING . | MAF sensor signal, >4.8 V | Time after engine start, >150 camshaft revolutions | 2 Second |
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| P0112 | Intake Air Temperature Sensor 1 Circuit Low | -- Refer to MASS AIR FLOW SENSOR G70/INTAKE AIR TEMPERATURE SENSOR G42, CHECKING . | IAT, >129.80° C |
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0.50 Seconds |
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| P0113 | Intake Air Temperature Sensor 1 Circuit high | -- Refer to MASS AIR FLOW SENSOR G70/INTAKE AIR TEMPERATURE SENSOR G42, CHECKING . | IAT, <-45.80° C |
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0.50 Seconds |
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| P0116 | Engine Coolant Temperature Sensor 1 Circuit Range/Performance | -- Refer to ENGINE COOLANT TEMPERATURE SENSOR G62, CHECKING . |
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| P0117 | Engine Coolant Temperature Sensor 1 Circuit Low Input | -- Refer to ENGINE COOLANT TEMPERATURE SENSOR G62, CHECKING . | ECT, >141° C | - | 0.5 Seconds |
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| P0118 | Engine Coolant Temperature Sensor 1 Circuit High Input | -- Refer to ENGINE COOLANT TEMPERATURE SENSOR G62, CHECKING . | ECT, <-45.8° C | - | 0.5 Seconds |
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| P0121 | Throttle/Pedal Position Sensor A Circuit Range/Performance | -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING . |
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Engine speed, >480 RPM |
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| P0122 | Throttle/Pedal Position Sensor A Circuit Low Input | -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING . | Signal voltage, <0.25 V | - | 0.14 Seconds |
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| P0123 | Throttle/Pedal Position Sensor A Circuit High Input | -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING . | Signal voltage, > 4.75 V | - | 0.14 Seconds |
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| P0130 | O2 Sensor Circuit Bank 1 Sensor 1 | -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . | O2S ceramic temp <640 °C |
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18 Seconds |
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| P0131 | O2 Circuit Low Voltage (Bank 1, Sensor 1) | -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . | Short to battery
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- | 2.5 Seconds |
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| P0132 | O2 Circuit High Voltage (Bank 1, Sensor 1) | -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . | Short to ground
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- | 2.5 Seconds |
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| P0133 | O2 Circuit Slow Response (Bank 1, Sensor 1) | -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . |
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200 Seconds |
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| P0135 | O2 Heater Circuit (Bank 1, Sensor 1) | -- Refer to OXYGEN SENSOR HEATER Z19, CHECKING . |
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| P0136 | O2 Circuit (Bank 1, Sensor 2) | -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . |
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50 Seconds |
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| P0137 | O2 Circuit Low Voltage (Bank 1, Sensor 2) | -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . |
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60-600 Seconds |
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| P0138 | O2 Circuit High Voltage (Bank 1, Sensor 2) | -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . | Signal voltage, >1.08 V |
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6 Seconds |
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| P0139 | O2 Circuit Slow Response (Bank 1, Sensor 2) | -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . | Signal voltage, >0.249 V |
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120 Seconds |
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| P0140 | O2 Circuit No Activity found (Bank 1, Sensor 2) | -- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING . |
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| P0141 | O2 Heater Circuit (Bank 1, Sensor 2) | -- Refer to OXYGEN SENSOR HEATER Z29, CHECKING . | Heater resistance, 600-2584 Ω |
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7 Seconds |
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| P0150 | O2 Sensor Circuit Bank 2 Sensor 1 | -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . | O2S ceramic temp <640 °C |
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18 Seconds |
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| P0151 | O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 | -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . | Short to battery
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- | 2.5 Seconds |
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| P0152 | O2 Sensor Circuit High Voltage Bank 2 Sensor 1 | -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . | Short to ground
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- | 2.5 Seconds |
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| P0153 | O2 Sensor Circuit Slow Response Bank 2 Sensor 1 | -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . |
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200 Seconds |
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| P0155 | O2 Sensor Heater Circuit Bank 2 Sensor 1 | -- Refer to OXYGEN SENSOR 2 HEATER Z28, CHECKING . |
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| P0156 | O2 Sensor Circuit Bank 2 Sensor 2 | -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . |
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50 Seconds |
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| P0157 | O2 Sensor Circuit Low Voltage Bank 2 Sensor 2 | -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . |
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60-600 Seconds |
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| P0158 | O2 Sensor Circuit High Voltage Bank 2 Sensor 2 | -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . | Signal voltage, >1.08 V |
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6 Seconds |
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| P0159 | O2 Sensor Circuit Slow Response Bank 2 Sensor 2 | -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . | Signal voltage, >0.249 V |
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120 Seconds |
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| P0160 | O2 Sensor Circuit No Activity found Bank 2 Sensor 2 | -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING . |
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| P0161 | O2 Sensor Heater Circuit Bank 2 Sensor 2 | -- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER HEATER Z30, CHECKING . | Heater resistance, 600-2584 Ω |
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7 Seconds |
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| P0171 | System Too Lean (Bank 1) | -- Refer to FUEL DELIVERY, CHECKING
.-- Refer to FUEL PUMP, CHECKING
.-- Refer to FUEL INJECTOR, CHECKING
.-- Refer to HEATED OXYGEN SENSOR G39, CHECKING
.-- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING
.-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING
. -- Check intake system for leaks (false air). -- Check exhaust system for proper seal. |
System too lean at idle
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Time after engine start
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45 Seconds |
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| P0172 | System Too Rich (Bank 1) | -- Refer to FUEL DELIVERY, CHECKING .-- Refer to FUEL PUMP, CHECKING .-- Refer to FUEL INJECTOR, CHECKING .-- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .-- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING . | System too lean at idle
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Time after engine start
|
45 Seconds |
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| P0174 | System Too Lean Bank 2 | -- Refer to FUEL DELIVERY, CHECKING
.-- Refer to FUEL PUMP, CHECKING
.-- Refer to FUEL INJECTOR, CHECKING
.-- Refer to HEATED OXYGEN SENSOR G39, CHECKING
.-- Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER G130, CHECKING
.-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING
. -- Check intake system for leaks (false air). -- Check exhaust system for proper seal. |
System too lean at idle
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Time after engine start
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45 Seconds |
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| P0175 | System Too Rich Bank 2 | -- Refer to FUEL DELIVERY, CHECKING .-- Refer to FUEL PUMP, CHECKING .-- Refer to FUEL INJECTOR, CHECKING .-- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING .-- Refer to OXYGEN SENSOR 2 AFTER THREE WAY CATALYTIC CONVERTER G131, CHECKING .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING . | System too lean at idle
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Time after engine start
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45 Seconds |
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| P0201 | Injector Circuit / Open - Cylinder 1 | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, 4.5-5.5 V |
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0.5 Seconds |
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| P0202 | Injector Circuit / Open - Cylinder 2 | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, 4.5-5.5 V |
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0.5 Seconds |
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| P0203 | Injector Circuit / Open - Cylinder 3 | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, 4.5-5.5 V |
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0.5 Seconds |
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| P0204 | Injector Circuit / Open - Cylinder 4 | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, 4.5-5.5 V |
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0.5 Seconds |
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| P0205 | Injector Circuit/Open - Cylinder 5 | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, 4.5-5.5 V |
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0.5 Seconds |
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| P0206 | Injector Circuit/Open - Cylinder 6 | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, 4.5-5.5 V |
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0.5 Seconds |
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| P0221 | Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance | -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING . |
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Engine speed, >480 RPM |
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| P0222 | Throttle/Pedal Position Sensor/Switch B Circuit Low Input | -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING . | Signal voltage, < 0.20 V | - | 0.14 Seconds |
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| P0223 | Throttle/Pedal Position Sensor/Switch B Circuit High Input | -- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING . | Signal voltage, > 4.75 V | - | 0.14 Seconds |
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| P0261 | Cylinder 1 Injector Circuit Low | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, <3 V |
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0.5 Seconds |
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| P0262 | Cylinder 1 Injector Circuit High | -- Refer to FUEL INJECTOR, CHECKING . | Signal current, 2.2-4.0 A |
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0.5 Seconds |
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| P0264 | Cylinder 2 Injector Circuit Low | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, <3 V |
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0.5 Seconds |
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| P0265 | Cylinder 2 Injector Circuit High | -- Refer to FUEL INJECTOR, CHECKING . | Signal current, 2.2-4.0 A |
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0.5 Seconds |
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| P0267 | Cylinder 3 Injector Circuit Low | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, <3 V |
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0.5 Seconds |
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| P0268 | Cylinder 3 Injector Circuit High | -- Refer to FUEL INJECTOR, CHECKING . | Signal current, 2.2-4.0 A |
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0.5 Seconds |
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| P0270 | Cylinder 4 Injector Circuit Low | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, <3 V |
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0.5 Seconds |
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| P0271 | Cylinder 4 Injector Circuit High | -- Refer to FUEL INJECTOR, CHECKING . | Signal current, 2.2-4.0 A |
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0.5 Seconds |
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| P0273 | Cylinder 5 Injector Circuit Low | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, <3 V |
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0.5 Seconds |
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| P0274 | Cylinder 5 Injector Circuit High | -- Refer to FUEL INJECTOR, CHECKING . | Signal current, 2.2-4.0 A |
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0.5 Seconds |
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| P0276 | Cylinder 6 Injector Circuit Low | -- Refer to FUEL INJECTOR, CHECKING . | Signal voltage, <3 V |
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0.5 Seconds |
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| P0277 | Cylinder 6 Injector Circuit High | -- Refer to FUEL INJECTOR, CHECKING . | Signal current, 2.2-4.0 A |
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0.5 Seconds |
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