1998 AUDI A3 fuel pressure

01-23

DTC
DTC text
Corrective action
SAE
VAG


P0300 16684 Combustion misfire detected
- Check fuel pressure Page 24
-33
- Check fuel injectors Page 24
-38
P0301 16685 Cyl. 1 combustion misfire detected
- Check spark plugs and ignition wires with connector
P0302 16686 Cyl. 2 combustion misfire detected
- Ignition coils with power output stages Checking Page 28
-4
P0303 16687 Cyl. 3 combustion misfire detected
- Check misfire recognition Page 28
-51
P0304 16688 Cyl. 4 combustion misfire detected
- Fill fuel tank with fuel
P0321 16705 Engine Speed (RPM) sensor -G28-
Implausible signal - Check sender for fuel gauge Page 28
-26
P0322 16706 Engine Speed (RPM) sensor -G28-
No signal
Pa
ge 9 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-30

DTC
DTC text
Corrective action
SAE
VAG


P1127 17535 Bank 1, mixture adaptation (mult.)
System too rich - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-33
- Check Mass Air Flow (MAF) sensor Page 24
-60
- Check intake system for leaks (false air) Page 24
-68
P1128 17536 Bank 1, mixture adaptation (mult.)
System too lean - Check oxygen sensor before catalytic converter Page 24
-71
- Check oxygen sensor behind catalytic converter Page 24
-87
- Check fuel injectors Page 24
-38
.
Note:
mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.
Pa
ge 16 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-31

DTC
DTC text
Corrective action
SAE
VAG


P1136 17544 Bank 1, mixture adaptation
(add.)
System too lean - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-33
- Check Mass Air Flow (MAF) sensor Page 24
-60
- Check intake system for leaks (false air) Page 24
-68
P1137 17545 Bank 1, mixture adaptation
(add.)
System too rich - Check oxygen sensor behind catalytic converter Page 24
-87
- Check Evaporative Emission (EVAP) canister purge regulator valve
Page 24
-107

Note:
add = additive, means that malfunction is only valid at closed throttle (idle).
Pa
ge 17 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-32

DTC
DTC text
Corrective action
SAE
VAG


P1149 17557 Oxygen sensor control, bank 1
Unplausible control value - Check oxygen sensor adaptation values and control
Page 24
-74

- Check fuel system pressure Page 24
-33
- Check intake system for leaks (false air) Page 24
-
68

P1171 17579 Angle sensor -2- for throttle drive (power
accelerator actuation) -G188-
Implausible signal - Check angle sensor -1- for throttle drive Page 24
-
127

P1172 17580 Angle sensor -2- for throttle drive (power
accelerator actuation) -G188-
Signal too small
P1173 17581 Angle sensor -2- for throttle drive (power
accelerator actuation) -G188-
Signal too large

P1176 17584 Bank 1 oxygen sensor correction behind catalytic
converter Control limit reached - Check oxygen sensor aging of oxygen sensor before
catalytic converter Page 24
-83

- Check oxygen sensor and oxygen sensor control
behind catalytic converter Page 24
-87

Pa
ge 18 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-41

DTC
DTC text
Corrective action
SAE
VAG


P1471 17879 Leak Detection Pump (LDP) tank
ventilation system
Short circuit to B+ Repair Manual, Fuel Supply System, Repair Group 20; Parts of
the EVAP canister system, servicing
- Evaporative Emission (EVAP) system, diagnostic leak test
P1472 17880 Leak Detection Pump (LDP) tank
ventilation system
Short circuit to Ground (GND)
P1473 17881 Leak Detection Pump (LDP) tank
ventilation system
Open circuit
P1475 17883 Leak Detection Pump (LDP) tank
ventilation system
Malfunction / no signal
P1476 17884 Leak Detection Pump (LDP) tank
ventilation system
Malfunction/vacuum pressure too low
P1477 17885 Leak Detection Pump (LDP) tank
ventilation system
Malfunction
P1478 17886 Leak Detection Pump (LDP) tank
Pa
ge 29 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3