1998 AUDI A8 fuel

01-27

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1110 17518 O2 Sensor Heating Circ.,
Bank2-Sensor2
Short to B+ 2
Dcy - Check O2S heater -Z30- (bank 2, sensor 2, behind TWC)
page 24
-52

P1127 17535 Long Term Fuel Trim
mult., Bank1
System too Rich 1) 2
Dcy - Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- Check Heated Oxygen Sensor (HO2S) -G39- (bank 1, sensor
1) and O2S control page 24
-22

- Check Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC) -G130- (bank 1, sensor 2) and O2S control
page 24
-42

- Check fuel pressure, fuel pressure regulator and residual fuel
pressure page 24
-111

- Check fuel injectors page 24
-102
and Output Diagnostic
Test Mode (DTM) page 01
-51

1) The term "mult." = multiplicative; applies to entire engine speed (RPM) and load range.
Pa
ge 39 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-28

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1128 17536 Long Term Fuel Trim
mult., Bank1
System too Lean 1) 2
Dcy - Check Heated Oxygen Sensor (HO2S) -G39- (bank 1, sensor 1)
and O2S control page 24
-22

- Check Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC) -G130- (bank 1, sensor 2) and O2S control
page 24
-42

- Check fuel pressure, fuel pressure regulator and residual fuel
pressure page 24
-111

- Check fuel injectors page 24
-102
and Output Diagnostic
Test Mode (DTM) page 01
-51

- Check EVAP canister purge regulator valve output Diagnostic
Test Mode (DTM), page 01
-51

1) The term "mult." = multiplicative; applies to entire engine speed (RPM) and load range.
Pa
ge 40 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-29

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1129 17537 Long Term Fuel Trim
mult., Bank2
System too Rich 1) 2
Dcy - Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank 2, sensor
1) and O2S control page 24
-22

- Check Oxygen Sensor (O2S) 2 behind Three Way Catalytic
Converter (TWC) -G131- (bank 2, sensor 2) and O2S control
page 24
-42

- Check fuel pressure, fuel pressure regulator and residual fuel
pressure page 24
-111

- Check fuel injectors page 24
-102
and Output Diagnostic
Test Mode (DTM) page 01
-51

1) The term "mult." = multiplicative; applies to entire engine speed (RPM) and load range.
Pa
ge 41 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-30

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1130 17538 Long Term Fuel Trim
mult., Bank2
System too Lean 1) 2
Dcy - Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank 2, sensor
1) and O2S control page 24
-22

- Check Oxygen Sensor (O2S) 2 behind Three Way Catalytic
Converter (TWC) -G131- (bank 2, sensor 2) and O2S control
page 24
-42

- Check fuel pressure, fuel pressure regulator and residual fuel
pressure page 24
-111

- Check fuel injectors page 24
-102
and Output Diagnostic
Test Mode (DTM) page 01
-51

- Check EVAP canister purge regulator valve output Diagnostic
Test Mode (DTM), page 01
-51

1) The term "mult." = multiplicative; applies to entire engine speed (RPM) and load range.
Pa
ge 42 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-31

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1136 17544 Long Term Fuel Trim Add.
Fuel, Bank1
System too Lean 2) 2
Dcy - Check intake air system for leaks ("false air") page 24
-
126

- Check Heated Oxygen Sensor (HO2S) -G39- (bank 1,
sensor 1) and O2S control page 24
-22

- Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- Check fuel pressure, fuel pressure regulator and residual
fuel pressure page 24
-111

- Check fuel injectors page 24
-102
and Output
Diagnostic Test Mode (DTM) page 01
-51

2) The term "Add." = additive; applies only with engine running at idle speed.
Pa
ge 43 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-32

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1137 17545 Long Term Fuel Trim Add.
Fuel, Bank1
System too Rich 2) 2
Dcy - Check Heated Oxygen Sensor (HO2S) -G39- (bank 1,
sensor 1) and O2S control page 24
-22

- Check fuel pressure, fuel pressure regulator and residual
pressure page 24
-111

- Check exhaust system for leakage Repair Manual, 2.8
Liter V6 5V Engine Mechanical, Repair Group 26
2) The term "Add." = additive; applies only with engine running at idle speed.
Pa
ge 44 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-33

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1138 17546 Long Term Fuel Trim Add.
Fuel, Bank2
System too Lean 2) 2
Dcy - Check intake air system for leaks ("false air") page 24
-
126

- Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank 2,
sensor 1) and O2S control page 24
-22

- Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- Check fuel pressure, fuel pressure regulator and residual
fuel pressure page 24
-111

- Check fuel injectors page 24
-102
and Output
Diagnostic Test Mode (DTM) page 01
-51

2) The term "Add." = additive; applies only with engine running at idle speed.
Pa
ge 45 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1

01-34

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1139 17547 Long Term Fuel Trim Add.
Fuel, Bank2
System too Rich 2) 2 Dcy
- Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank
2, sensor 1) and O2S control page 24
-22

- Check fuel pressure, fuel pressure regulator and
residual pressure page 24
-111

- Check exhaust system for leakage Repair Manual,
2.8 Liter V6 5V Engine Mechanical, Repair Group 26
P1141 17549 Load Calculation Cross
Check
Range/Performance 2 Dcy
- Check Mass Air Flow (MAF) sensor -G70- page 24
-
68

- Check throttle valve control module page 24
-128
P1171 17579 Throttle Actuation
Potentiometer Signal 2
Range/Performance 1) Immed.
- Check throttle actuation potentiometer page 24
-
136
.
1) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immediately after the
malfunction has been recognized. Significance of MIL page 01
-2 .
2) The term "Add." = additive; applies only with engine running at idle speed.
Pa
ge 46 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1