Audi AMB User manual

00 - GENERAL, TECHNICAL DATA
TECHNICAL DATA
Engine number
Fig. 1: Locating Engine Number
Courtesy of VOLKSWAGEN UNITED STATES, INC.
The engine number ( "Engine code" and "Serial number" ) can be found on the rear left of the cylinder block.
Additionally there is a sticker on the toothed belt guard giving the "Engine code" and "Serial number".
The engine code is also given on the vehicle data sticker.
Engine data
NOTE: The engine code is also stamped on the front lifting eye (visible when
engine cover panel is removed).
Engine code AMB
Manufactured 08.01 -->
Capacity l 1.781
Power kW at RPM 125/5700
Torque Nm at RPM 210/1750 to 4600
Bore diameter mm 81.0
Stroke mm 86.4
Compression ratio 9.5
RON 95 * See note
Injection/ignition system Bosch Motronic
Knock control yes
On Board Diagnostic yes
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
2:39:49 AM Page 1 2:39:52 AM Page 1
cardiagn.com

*Standard unleaded RON 91 also permitted, however reduced power.
Oxygen sensor control yes
Catalytic converter yes
Charging yes
Engine code AMB
Exhaust gas recirculation no
Intake manifold change-over function no
Camshaft timing control yes
Secondary air system yes
Valve timing
at 1 mm valve lift and 0 mm valve clearance
Intake opens after TDC 18 °
Intake closes after BDC 28 °
Exhaust opens before BDC 28 °
Exhaust closes before TDC 8 °
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
2:39:49 AM Page 2
cardiagn.com

DTC INDEX
DTC Index - 1.8L (AMB Engine)
DIAGNOSTIC TROUBLE CODES (DTC) INDEX
DTC Index - 1.8L (AMB Engine)
SAE
Code VAG Code Code Description Corrective Action
P0010 16394 Bank 1, Camshaft adjustment
malfunction Camshafts and camshaft adjuster removing and installing
Check Valve -1- for camshaft
adjustment -N205-. See VALVE -
1- FOR CAMSHAFT
ADJUSTMENT -N205-,
CHECKING .
P0011 16395
Bank 1, camshaft retardation adjustment
Specification not reached
P0012 16396 Bank 1, camshaft advance adjustment
Specification not reached
P0030 16414
HO2S Heater Control Circuit, Bank 1
Sensor 1 Check oxygen sensor heater for
oxygen sensors before Three Way
Catalytic Converter (TWC). See
OXYGEN SENSOR (O2S)
HEATER -Z19- BEFORE
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
P0031 16415
HO2S Heater Control Circuit Low,
Bank 1 Sensor 1
P0032 16416
HO2S Heater Control Circuit High,
Bank 1 Sensor 1
P0036 16420
HO2S Heater Control Circuit Bank, 1
Sensor 2 Check oxygen sensor heater for
Oxygen Sensors (O2S) behind
Three Way Catalytic Converter
(TWC). See OXYGEN SENSOR
(O2S) HEATER 1 -Z29-
BEHIND
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
See OXYGEN SENSORS AND
OXYGEN SENSOR
P0037 16421
HO2S Heater Control Circuit Low,
Bank 1 Sensor 2
HO2S Heater Control Circuit High,
Bank 1 Sensor 2
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:47 PM Page 1 11:32:51 PM Page 1
cardiagn.com

P0038 16422 REGULATION BEHIND CATALYTIC CONVERTER,
CHECKING .
P0101 16485
Mass or Volume Air Flow Circuit
Range/Performance Check Mass Air Flow (MAF)
Sensor -G70-. See MASS AIR
FLOW (MAF) SENSOR -G70-,
CHECKING .
Check intake air system for leaks
(false air). See INTAKE
SYSTEM, CHECKING FOR
LEAKS (FALSE AIR) .
See appropriate SYSTEM WIRING
DIAGRAMS article.
P0102 16486
Mass or Volume Air Flow Circuit Low
Input
P0103 16487
Mass or Volume Air Flow Circuit High
Input
P0106 16490 Manifold Absolute Pressure/Barometric
Pressure Circuit Range/Performance Note
P0116 16500 Engine Coolant Temperature Circuit
Range/Performance 
Check Engine Coolant Temperature
(ECT) Sensor -G62-. See ENGINE
COOLANT TEMPERATURE
(ECT) SENSOR -G62-,
CHECKING .
P0117 16501 Engine Coolant Temperature Circuit
Low
P0118 16502 Engine Coolant Temperature Circuit
High
P0121 16505 Throttle/Pedal Position Sensor/Switch
"A" Circuit Range/Performance Check Throttle Valve Control
Module -J338-. See THROTTLE
VALVE CONTROL MODULE -
J338-, CHECKING .
P0122 16506 Throttle/Pedal Position Sensor/Switch
"A" Circuit Low
P0123 16507 Throttle/Pedal Position Sensor/Switch
"A" Circuit High
P0130 16514
O2 Sensor Circuit, Bank 1 Sensor 1 Check oxygen sensor heater for
oxygen sensors before Three Way
Catalytic Converter (TWC). See
OXYGEN SENSOR (O2S)
HEATER -Z19- BEFORE
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
P0133 16517
O2 Sensor Circuit Slow Response, Bank
1 Sensor 1
O2 Sensor Heater Circuit, Bank 1
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 2
cardiagn.com

P0135 16519
Sensor 1 Check oxygen sensor heater for
oxygen sensors before Three Way
Catalytic Converter (TWC). See
OXYGEN SENSOR (O2S)
HEATER -Z19- BEFORE
CATALYTIC CONVERTER,
CHECKING .
P0136 16520 O2 Sensor Circuit, Bank 1 Sensor 2 Check oxygen sensor heater for
Oxygen Sensors (O2S) behind
Three Way Catalytic Converter
(TWC). See OXYGEN SENSOR
(O2S) HEATER 1 -Z29-
BEHIND
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
See OXYGEN SENSORS AND
OXYGEN SENSOR
REGULATION BEHIND
CATALYTIC CONVERTER,
CHECKING .
P0137 16521 O2 Sensor Circuit Low Voltage, Bank 1
Sensor 2
P0138 16522
O2 Sensor Circuit High Voltage, Bank 1
Sensor 2
P0139 16523
O2 Sensor Circuit Slow Response, Bank
1 Sensor 2
P0140 16524
O2 Sensor Circuit No Activity Detected,
Bank 1 Sensor 2
P0141 16525
O2 Sensor Heater Circuit, Bank 1
Sensor 2 Check oxygen sensor heater for
Oxygen Sensors (O2S) behind
Three Way Catalytic Converter
(TWC). See OXYGEN SENSOR
(O2S) HEATER 1 -Z29-
BEHIND
CATALYTIC CONVERTER,
CHECKING .
P0171 16555
System Too Lean, Bank 1
Check fuel pressure regulator and
residual pressure. See SYSTEM
PRESSURE AND RESIDUAL
PRESSURE, CHECKING .
Check fuel injectors. See FUEL
INJECTORS, CHECKING .
Check intake air system for leaks
(false air). See INTAKE
SYSTEM, CHECKING FOR
LEAKS (FALSE AIR) .
Check Fuel Pump (FP). See FUEL
PUMP (FP), ELECTRICAL
TESTING for FWD and FUEL
PUMP (FP), ELECTRICAL
TESTING for AWD.
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 3
cardiagn.com

Check exhaust system for proper
seal. See EXHAUST SYSTEM,
CHECKING FOR LEAKS .
Check Secondary Air Injection
(AIR) system for proper seal. See
SECONDARY AIR INJECTION
(AIR) SYSTEM, CHECKING
FOR PROPER SEAL .
Check vacuum lines for leaks
P0172 16556
System Too Rich, Bank 1 Check fuel pressure regulator and
residual pressure. See SYSTEM
PRESSURE AND RESIDUAL
PRESSURE, CHECKING .
Check fuel injectors. See FUEL
INJECTORS, CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
See OXYGEN SENSORS AND
OXYGEN SENSOR
REGULATION BEHIND
CATALYTIC CONVERTER,
CHECKING .
Check Evaporative Emission
(EVAP) Canister Purge Regulator
Valve -N80-. See CHECKING
EVAPORATIVE EMISSION
(EVAP) CANISTER PURGE
REGULATOR VALVE -N80- .
P0201 16585 Injector Circuit/Open - Cylinder 1
Check fuel injectors. See FUEL
INJECTORS, CHECKING .
P0202 16586 Injector Circuit/Open - Cylinder 2
P0203 16587 Injector Circuit/Open - Cylinder 3
P0204 16588 Injector Circuit/Open - Cylinder 4
P0221 16605 Throttle/Pedal Position Sensor/Switch
"B" Circuit Range/Performance Check Throttle Valve Control
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 4
cardiagn.com

P0222 16606 Throttle/Pedal Position Sensor/Switch
"B" Circuit Low Module -J338-. See THROTTLE VALVE CONTROL MODULE -
J338-, CHECKING .
P0223 16607 Throttle/Pedal Position Sensor/Switch
"B" Circuit High
P0230 16614
Fuel Pump Primary Circuit Check Fuel Pump (FP) Relay -J17-
and activation. See FUEL PUMP
(FP) RELAY -J17- AND
ACTIVATION, CHECKING .
P0236 16620 Charge air pressure sensor G31
implausible signal Check Charge Air Pressure Sensor -
G31-. See CHARGE AIR
PRESSURE SENSOR -G31-,
CHECKING .
P0237 16621 Charge air pressure sensor G31 signal
too low
P0238 16622 Charge air pressure sensor G31 signal
too high
P0243 16627 Wastegate bypass regulator valve N75
Open / Short to Ground Check Wastegate Bypass Regulator
Valve -N75-. See WASTEGATE
BYPASS REGULATOR VALVE
-N75-, CHECKING .
P0245 16629 Wastegate bypass regulator valve N75
Short to Ground
P0246 16630 Wastegate bypass regulator valve N75
Short to positive
P0261 16645 Cylinder 1 Injector Circuit Low
Check fuel injectors. See FUEL
INJECTORS, CHECKING .
P0262 16646 Cylinder 1 Injector Circuit High
P0264 16648 Cylinder 2 Injector Circuit Low
P0265 16649 Cylinder 2 Injector Circuit High
P0267 16651 Cylinder 3 Injector Circuit Low
P0268 16652 Cylinder 3 Injector Circuit High
P0270 16654 Cylinder 4 Injector Circuit Low
P0271 16655 Cylinder 4 Injector Circuit High
P0300 16684 Random/Multiple Cylinder Misfire
Detected Check fuel injectors. See FUEL
INJECTORS, CHECKING .
Check ignition coils with power
output stages. See IGNITION
COILS WITH POWER
OUTPUT STAGES,
CHECKING .
P0301 16685 Cylinder 1 Misfire Detected
P0302 16686 Cylinder 2 Misfire Detected
P0303 16687 Cylinder 3 Misfire Detected
P0304 16688 Cylinder 4 Misfire Detected
P0321 16705 Ignition/Distributor Engine Speed Input
Circuit Range/Performance 
Check Engine Speed (RPM) Sensor
-G28-. See ENGINE SPEED
(RPM) SENSOR -G28-,
CHECKING .
P0322 16706 Ignition/Distributor Engine Speed Input
Circuit No Signal
P0324 16708 Knock Control System Error
Check knock sensors. See CHECK
P0327 16711 Knock Sensor 1 Circuit Low, Bank 1 or
Single Sensor
Knock Sensor 1 Circuit High, Bank 1 or
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 5
cardiagn.com

P0328 16712 Single Sensor KNOCK SENSORS .
P0332 16716 Knock Sensor 2 Circuit Low, Bank 2
P0333 16717 Knock Sensor 2 Circuit High, Bank 2
P0340 16724 Camshaft Position Sensor "A" Circuit,
Bank 1 or Single Sensor
Check Camshaft Position (CMP)
sensor. See CAMSHAFT
POSITION (CMP) SENSOR -
G40-, CHECKING .
P0341 16725 Camshaft Position Sensor "A" Circuit Range/Performance, Bank 1 or Single
Sensor
P0342 16726 Camshaft Position Sensor "A" Circuit
Low, Bank 1 or Single Sensor
P0343 16727 Camshaft Position Sensor "A" Circuit
High, Bank 1 or Single Sensor
P0351 16735 Ignition Coil "A" Primary/Secondary
Circuit
Check ignition coils with power
output stages. See IGNITION
COILS WITH POWER
OUTPUT STAGES,
CHECKING .
P0352 16736 Ignition Coil "B" Primary/Secondary
Circuit
P0353 16737 Ignition Coil "C" Primary/Secondary
Circuit
P0354 16738 Ignition Coil "D" Primary/Secondary
Circuit
P0411 16795
Secondary Air Injection System
Incorrect Flow Detected Check combination valves for
Secondary Air Injection (AIR)
system for function and proper seal.
See COMBINATION VALVE
FOR SECONDARY AIR
INJECTION (AIR) SYSTEM,
CHECKING FUNCTION AND
FOR PROPER SEAL .
Check Secondary Air Injection
(AIR) Solenoid Valve -N112-. See
SECONDARY AIR INJECTION
(AIR) SOLENOID VALVE -
N112- CHECKING .
P0413 16797
Secondary Air Injection solenoid valve
N112 Open
P0414 16798
Secondary Air Injection solenoid valve
N112 Short circuit
P0418 16802
Secondary Air Injection System Control
"A" Circuit Check Secondary Air Injection
(AIR) Pump Relay -J299- and
activation. See SECONDARY
AIR INJECTION (AIR) PUMP
RELAY -J299- AND
ACTIVATION, CHECKING .
Catalyst System, Bank1, Efficiency
Below Threshold Check Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 6
cardiagn.com

P0420 16804
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
See OXYGEN SENSORS AND
OXYGEN SENSOR
REGULATION BEHIND
CATALYTIC CONVERTER,
CHECKING .
Check catalytic conversion. See
TEST-ID 01: CATALYTIC
CONVERTER .
P0440 16824
Evaporative Emission System EVAP System
Checking Evaporative Emission (EVAP)
canister purge regulator valve -N80-
EVAP canister system checking for
proper seal
Evaporative Emissions (EVAP) system
diagnostic leak test
Note
Overview of component locations
P0441 16825 Evaporative Emission System Incorrect
Purge Flow Check Evaporative Emission
(EVAP) Canister Purge Regulator
Valve -N80-. See CHECKING
EVAPORATIVE EMISSION
(EVAP) CANISTER PURGE
REGULATOR VALVE -N80- .
EVAP canister system, check for
proper seal. See EVAP
CANISTER SYSTEM,
CHECKING FOR PROPER
SEAL .
P0442 16826 Evaporative Emission System Leak
Detected (small leak)
P0444 16828 Evaporative Emission System Purge
Control Valve Circuit Open
P0445 16829 Evaporative Emission System Purge
Control Valve Circuit Shorted
P0455 16839 Evaporative Emission System Leak
Detected (large leak)
P0456 16840 Evaporative Emission System Leak
Detected (very small leak)
P0501 16885 Vehicle Speed Sensor "A"
Range/Performance Check speed signal. See SPEED
SIGNAL, CHECKING .
P0506 16890 Idle Air Control System RPM Lower
Than Expected Check Throttle Valve Control
Module -J338-. See THROTTLE
VALVE CONTROL MODULE -
J338-, CHECKING .
P0507 16891 Idle Air Control System RPM Higher
Than Expected
P0560 16944 Voltage supply signal implausible J220 - Motronic Engine Control Module
(ECM)
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 7
cardiagn.com

P0562 16946 Voltage supply too low Motronic Engine Control Module (ECM)
power supply checking
Overview of component locations
P0563 16947 Voltage supply too high
P0571 16955
Brake light switch F F - Brake Light Switch -F-
Brake Light Switch -F- and Brake Pedal
Switch -F47-
F47 - Brake Pedal Switch
Brake Light Switch -F- and Brake Pedal
Switch -F47-
P0600 16984
Data bus drive missing message Check terminal resistance for CAN-
Bus. See TERMINAL
RESISTANCE FOR CAN-BUS,
CHECKING .
P0601 16985
Internal Control Module Memory Check
Sum Error J220 - Motronic Engine Control Module (ECM) [2]
Replacing Engine Control Module
(ECM) (with metal anti-theft
housing)
Replacing Engine Control Module
(ECM) (without metal anti-theft
housing)
P0602 16986
Control Module Programming
Error/Malfunction Procedure to code Engine Control
Module (ECM):
Motronic Fuel Injection and
Ignition (4-cylinder Turbo); See
ENCODING II ENGINE
CONTROL MODULE (ECM) .
P0604 16988
Internal Control Module Random
Access Memory (RAM) Error J220 - Motronic Engine Control Module (ECM) [2]
Replacing Engine Control Module
(ECM) (with metal anti-theft
housing)
Replacing Engine Control Module
(ECM) (without metal anti-theft
housing)
P0605 16989
Internal Control Module Read Only
Memory (ROM) Error
P0606 16990 ECM/PCM Processor
P0685 17069 ECM/PCM Power Relay Control Circuit/Open Check voltage supply for Engine
Control Module (ECM). See
VOLTAGE SUPPLY FOR
ENGINE CONTROL MODULE
(ECM), CHECKING .
Check Motronic Engine Control
P0686 17070
ECM/PCM Power Relay Control Circuit
Low
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 8
cardiagn.com

P0687 17071
ECM/PCM Power Relay Control Circuit
High Module (ECM) Power Supply Relay -J271- and activation. See
CHECK MOTRONIC ENGINE
CONTROL MODULE (ECM)
POWER SUPPLY RELAY -
J271- AND ACTIVATION .
P0688 17072 Power supply relay J271 , load circuit
open
P0704 17088
Clutch Switch Input Circuit Malfunction Check Clutch Vacuum Vent Valve
Switch -F36-. See CLUTCH
VACUUM VENT VALVE
SWITCH -F36-, CHECKING .
P1102 17510 Bank 1 -
sensor 1, heating circuit short to
B+ Z19 - Oxygen Sensor (O2S) Heater
Overview of component locations Oxygen
Sensor (O2S) Heater -Z19- before
catalytic converter checking
P1103 17511 Bank 1 -sensor 1, heating circuit, output
too low
P1105 17513
Bank 1 -
sensor 2, heating circuit short to
B+ Z29 - Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter
(TWC))
Overview of component locations
Oxygen Sensor (O2S) Heater 1 -Z29-
behind catalytic converter checking
P1111 17519
Oxygen sensor control Bank 1 system
too lean G39 - Heated Oxygen Sensor (HO2S) Heated Oxygen Sensor (HO2S) -G39-
and
oxygen sensor regulation before catalytic
converter checking
Overview of component locations
P1176 17584
Bank 1 oxygen sensor correction behind
cat. control limit reached
Control limit reached Check Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
Check Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
See OXYGEN SENSORS AND
OXYGEN SENSOR
REGULATION BEHIND
CATALYTIC CONVERTER,
CHECKING .
Check intake air system for leaks
(false air). See INTAKE
SYSTEM, CHECKING FOR
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 9
cardiagn.com

LEAKS (FALSE AIR) .
P1292 17700 F265 - Map Controlled Engine Cooling
Thermostat
Cooling system components, overview
P1293 17701
P1294 17702
P1296 17704
Malfunction in cooling system 
Check Engine Coolant Temperature
(ECT) Sensor -G62-. See ENGINE
COOLANT TEMPERATURE
(ECT) SENSOR -G62-,
CHECKING .
Check coolant regulator:
P2101 18533
Throttle Actuator Control Motor Circuit
Range/Performance Check Throttle Valve Control
Module -J338-. See THROTTLE
VALVE CONTROL MODULE -
J338-, CHECKING .
P2122 18554 Throttle/Pedal Position Sensor/Switch
"D" Circuit Low Input
Check Throttle Position (TP)
sensor. See THROTTLE
POSITION (TP) SENSOR,
CHECKING .
P2123 18555 Throttle/Pedal Position Sensor/Switch
"D" Circuit High Input
P2127 18559 Throttle/Pedal Position Sensor/Switch
"E" Circuit Low Input
P2128 18560 Throttle/Pedal Position Sensor/Switch
"E" Circuit High Input
P2138 18570 Throttle/Pedal Position Sensor/Switch
"D" / "E" Voltage Correlation
P2400 18832 Evaporative Emission System Leak
Detection Pump Control Circuit/Open Check Leak detection pump (LDP)
-V144-. See LEAK DETECTION
PUMP (LDP) -V144-,
CHECKING .
EVAP canister system, check for
proper seal. See EVAP
CANISTER SYSTEM,
CHECKING FOR PROPER
SEAL .
P2401 18833 Evaporative Emission System Leak
Detection Pump Control Circuit Low
P2402 18834 Evaporative Emission System Leak
Detection Pump Control Circuit High
P2403 18835 Evaporative Emission System Leak
Detection Pump Sense Circuit/Open
P2404 18836 Evaporative Emission System Leak Detection Pump Sense Circuit
Range/Performance
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 10
cardiagn.com

ENGINE
1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
00 - GENERAL, TECHNICAL DATA
TECHNICAL DATA
Engine number
Fig. 1: Locating Engine Number
Courtesy of VOLKSWAGEN UNITED STATES, INC.
The engine number ( "Engine code" and "Serial number" ) can be found on the rear left of the cylinder block.
Additionally there is a sticker on the toothed belt guard giving the "Engine code" and "Serial number".
The engine code is also given on the vehicle data sticker.
Engine data
NOTE: The engine code is also stamped on the front lifting eye (visible when
engine cover panel is removed).
Engine code AMB
Manufactured 08.01 -->
Capacity l 1.781
Power kW at RPM 125/5700
Torque Nm at RPM 210/1750 to 4600
Bore diameter mm 81.0
Stroke mm 86.4
Compression ratio 9.5
RON 95 * See note
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 1 1:01:41 AM Page 1
cardiagn.com

*Standard unleaded RON 91 also permitted, however reduced power.
10 - ENGINE - ASSEMBLY
ENGINE, REMOVING AND INSTALLING
Engine, removing and installing
Injection/ignition system Bosch Motronic
Knock control yes
On Board Diagnostic yes
Oxygen sensor control yes
Catalytic converter yes
Charging yes
Engine code AMB
Exhaust gas recirculation no
Intake manifold change-over function no
Camshaft timing control yes
Secondary air system yes
Valve timing
at 1 mm valve lift and 0 mm valve clearance
Intake opens after TDC 18 °
Intake closes after BDC 28 °
Exhaust opens before BDC 28 °
Exhaust closes before TDC 8 °
CAUTION: Before beginning repairs on the electrical system:
Obtain the anti-theft radio security code.
Switch the ignition off.
Disconnect the battery Ground (GND) strap.
On vehicles equipped with Audi Telematics by OnStar, switch-off the
emergency (back-up) battery for the Telematic/Telephone Control Module
prior to disconnecting vehicle battery --> 91 - COMMUNICATION
After reconnecting vehicle battery, re-code and check operation of anti-
theft radio. Also check operation of clock and power windows according
to Repair Article and/or Owners Manual.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 2
cardiagn.com

Engine, removing and installing
Fig. 2: Identifying Special Tools - Engine, Removing And Installing
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Special tools, testers and auxiliary items required
Support bar 10-222A
Lifting tackle 2024A
Special tool 3147
Workshop crane VAG1202A
After reconnecting vehicle battery on vehicles equipped with Audi
Telematics by OnStar, switch-on the emergency (back-up) battery for the
Telematic/Telephone Control Module --> 91 - COMMUNICATION
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 3
cardiagn.com

Drip tray VAG1306
Socket attachment 15 mm A/F Matra V/175
Fig. 3: Identifying Hose Clip Pliers VAG 1921
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Hose clip pliers VAG5024
Engine, removing
Vehicles with automatic transmission
Move selector lever to position N.
All models
Obtain radio anti-theft code for vehicles with encoded radio.
NOTE: All cable ties unfastened or cut when removing engine are to be
reattached in same position during installation.
Engine must be removed without transmission from front of vehicle.
Catch drained coolant in a clean container for re-use or disposal.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 4
cardiagn.com

Fig. 4: Removing Rubber Seal From Plenum Chamber Cover
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove rubber seal from plenum chamber cover in direction of - arrow -.
Pull plenum chamber cover - 1- toward front and remove.
See Caution before beginning repairs on electrical system --> Engine, removing and installing
Fig. 5: Identifying Battery Ground (GND) Terminal
Courtesy of VOLKSWAGEN UNITED STATES, INC.
With ignition switched off, disconnect battery Ground strap - arrow -.
Use screwdriver to pry off caps - 3- from wiper arms.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 5
cardiagn.com

Fig. 6: Removing Securing Clips And Cowl
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Loosen hex nuts - 4- by a few turns.
Tilt wiper arm - 2- slightly to remove it from wiper shaft.
Remove hex nuts completely and remove wiper arms.
Pull off securing clips - 1- and remove panel trim.
Fig. 7: Removing Engine Cover
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove engine cover - arrows -.
CAUTION: Hot steam can escape when cap on expansion tank is opened. Cover cap
with cloth and open carefully.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 6
cardiagn.com

Fig. 8: Air Cleaner Cover
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove air cleaner cover - arrow -.
Fig. 9: Evaporative Emission Canister Purge Regulator Valve N80 And Air Duct
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove bolts - arrows -.
Disengage EVAP canister purge regulator valve N80 - 1- from air duct - 2-.
Remove both screws - arrows - for air duct - 2-.
Remove front bumper: -->
63 BUMPER
63 - BUMPERS for CABRIOLET
Vehicles with auxiliary heater
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 7
cardiagn.com

Fig. 10: Removing Bolts Securing Exhaust Pipe Of Auxiliary/Additional Heater To Sound Insulation
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove bolts - arrows - securing exhaust pipe of auxiliary/additional heater to sound insulation.
Fig. 11: Removing Sound Insulation
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove sound insulation - arrows -.
Fig. 12: Unbolting Sound Insulation Holder
Courtesy of VOLKSWAGEN UNITED STATES, INC.
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:00:55 AM Page 8
cardiagn.com