28-40
Knock recognition control stop,
checking
If a DTC is stored regarding "Knock control
regulation limit reached":
- Perform following tests:
Possible cause
Corrective action
DTC for all cylinders
Poor fuel quality
Operating instructions - Change fuel quality
or
Cylinder 1/2 or 3/4
Knock sensor tightened to incorrect torque- Loosen knock sensors and tighten to 20 Nm
Knock sensor faulty- Check knock sensor Page 28
-41
Corrosion at harness connector- Check harness connector
Engine accessories loose- Secure engine accessories
DTC for one Cylinder
Engine damage- Check compression pressure
Engine accessories loose- Secure engine accessories
Pa
ge 44 of 59 I
gnition s
ystem, checkin
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.28.1
