1996 AUDI A4 fuel pressure

01-24

DTC
DTC text
Corrective action
SAE
VAG


P0300 16684
Combustion misfire detected
1)
- Check fuel pressure Page 24
-30
- Test fuel injectors Page 24
-36
P0301 16685
Cyl. 1 combustion misfire detected
1)
- Check spark plugs and ignition wires with connector
P0302 16686
Cyl. 2 combustion misfire detected 1)
- Check ignition coils Page 28
-7
P0303 16687
Cyl. 3 combustion misfire detected
1)
- Check ignition coils Page 28
-10
P0304 16688
Cyl. 4 combustion misfire detected
1)
- Check misfire recognition Page 28
-52
P0305 16689
Cyl. 5 combustion misfire detected
1)
- Fill fuel tank with fuel
P0306 16690
Cyl. 6 combustion misfire detected 1)

1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 13 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2

01-33

DTC
DTC text
Corrective action
SAE
VAG


P1127 17535 Bank 1, mixture
adaptation (mult.)
System too rich
1) - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-30
P1128 17536 Bank 1, mixture
adaptation (mult.)
System too lean
1) - Check Mass Air Flow (MAF) sensor Page 24
-56
- Check intake system for proper seal Page 24
-64
P1129 17537 Bank 2, mixture
adaptation (mult.)
System too rich
1) - Check oxygen sensor before catalytic converter Page 24
-76
P1130 17538 Bank 2, mixture
adaptation (mult.)
System too lean
1) - Check oxygen sensor behind catalytic converter Page 24
-97
- Check fuel injectors Page 24
-36

P1131 17539 Bank 2, sensor 1
Internal resistance too
large
1) - Next check signal wires for contact resistance => page Page 24
-91
; if there
are no contact resistances: Replace oxygen sensor
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Note:
Pa
ge 23 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2

01-34

DTC
DTC text
Corrective action
SAE
VAG


P1136 17544 Bank 1, mixture
adaptation (add.)
System too lean
1) - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-30
P1137 17545 Bank 1, mixture
adaptation (add.)
System too rich
1) - Check Mass Air Flow (MAF) sensor Page 24
-56
- Check oxygen sensor before catalytic converter Page 24
-76
P1138 17546 Bank 2, mixture
adaptation (add.)
System too lean
1) - Check oxygen sensor behind catalytic converter Page 24
-97
P1139 17547 Bank 2, mixture
adaptation (add.)
System too rich
1) - Check Evaporative Emission (EVAP) Canister Purge Regulator Valve Page
24
-128

P1140 17548 Bank 2, sensor 2
Internal resistance too
large
1) - Next check signal wires for contact resistance => page Page 24
-114
; if
there are no contact resistances: Replace oxygen sensor
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Note:
add = additive, means that malfunction is only valid at closed throttle (idle).
Pa
ge 25 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2

01-36

DTC
DTC text
Corrective action
SAE
VAG


P1149 17557 Oxygen sensor control, bank 1
Unplausible control value - Check oxygen sensor adaptation values and
regulation Page 24
-83

- Check fuel system pressure Page 24
-30
P1150 17558 Oxygen sensor control, bank 2
Unplausible control value - Check intake system for proper seal Page 24
-
64

P1171 17579 Angle sensor -2- for throttle drive (power accelerator
actuation) -G188-
Implausible signal
2)3)
- Check angle sensor -1- for throttle drive Page
24
-148

P1172 17580 Angle sensor -2- for throttle drive (power accelerator
actuation) -G188-
Signal too small
2) 3)

P1173 17581 Angle sensor -2- for throttle drive (power accelerator
actuation) -G188-
Signal too large
2) 3)


2) For these malfunctions, ECM switches on the EPC warning lamp in instrument cluster. Significance of EPC warning lamp
Page 24
-136
.
3) For these malfunctions, ECM switches on the exhaust warning lamp in instrument cluster immediately after recognizing the
malfunction. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 27 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2