check engine AUDI A4 1999 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual

AUDI A4 1999 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1029/w960_1029-0.png AUDI A4 1999 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual

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AUDI A4 1999 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual 24-85
 
     
Intake manifold change-over, 
checking 
      Carry out this check only if complaints of "vehicle 
under-powered" are received.  
      Intake manifold change-over from the "long" to 
"s

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AUDI A4 1999 B5 / 1.G AFC Engine Intake Manifold Change Over Checking Workshop Manual 24-86
      
Checking vacuum system  
     
-  Start engine and let idle for two to three minutes 
to build up vacuum. 
     
-  Switch ignition OFF.
     
-  Disconnect 2-pin harness connector from i