oil pressure AUDI A3 1998 8L / 1.G ATW Engine Diagnostic Trouble Code Table Workshop Manual
Page 9 of 40
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
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Page 16 of 40
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 
Page 17 of 40
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