AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1002/w960_1002-0.png AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug

Page 1 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-1
 Technical data, spark plugs Engine code  
AEB  
  
Engine idle RPM  
 
Idle RPM cannot be adjusted, is corrected by idle air control 820-900 RPM     
RPM limit  
 Operates by shutting off fuel i

Page 2 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-2
      
Camshaft Position (CMP) sensor -G40-, 
checking
 
     
Required special tools and test equipment  
     
VAG 1598/22 test box 
     Multimeter US 1119 (Fluke 83 or equivalent) 
     VW 15

Page 3 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-3
       If voltage is OK:  
     
-  Connect VAG 1598/22 test box to Motronic ECM 
harness connector   Page 01
-56
 . 
    
-  Check wiring for open circuit between ECM/test box and 3-pin harness

Page 4 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-4
       If wiring is OK (and voltage across terminals 1 
and 3 is OK):  
     
-  Replace Camshaft Position (CMP) sensor.
      If wiring is OK (but still no voltage across 
terminals 1 and 3 :

Page 5 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-5
      
Knock sensor and knock sensor 
system, checking
 
     
Required special tools and test equipment  
     
VAG 1551/1552 Scan Tool (ST) with adapter 
cable VAG 1551/3 
     VAG 1598/22 test

Page 6 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug Read Measurin
g Value Block 
HELP
Input display group number XXX
    
Indicated on display  
-  Press buttons -0-, -2- and -0- to input display group number 20, and 
press -Q- button to confirm input.

Page 7 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-6
 
Read Measuring Value Block 20 1 2 3 4 
    
Indicated on display (1-4   display groups)  
Note:  
The test must be carried out during a road test because the knock sensor 
system is only active

Page 8 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug   
If displayed values are NOT OK   Page 28
-7 , Evaluating display group 20  
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Page 9 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug 28-7
       If displayed values are OK:  
     
- Check readiness code   Page 01
-59
 . If 
Diagnostic Trouble Code (DTC) memory has 
been erased, or ECM was disconnected, 
generate new readiness code

Page 10 of 22

AUDI A4 1999 B5 / 1.G AEB Engine Technical Data Spark Plug   
Poor fuel quality- Change fuel
One cylinder reading is very 
different from the others  Connector corroded- Continuation   Page 28
-8
  
Engine failure- Check compression   Repair Manual, 1.8 Liter
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