Volkswagen Golf 1999 Service Manual page 669

Measured value (data) blocks
Evaluating display groups 22 to 24, display zones 3 and 4 - Ignition timing
retardation cyl. 1 to 6
Appears on
display
All cylinders
between
8.0...15.0 CA
and at the same
display values
One cylinder
deviates greatly from
the others
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...
Possible cause
Knock sensor
faulty
Connector
corroded
Knock sensor
incorrectly
tightened
Accessories on
engine loose
Poor fuel quality
Connector
corroded
Engine damaged
Accessories on
engine loose
Corrective action
- Check knock sensors
- Loosen knock sensor and tighten to
20 Nm
- Tighten accessories
- Change type of fuel
- Check knock sensors
- Check compression pressures:
Repair Manual, 2.8 Liter VR6 4V
Engine Mechanical, Engine Code(s):
BDF; Repair Group 15
- Tighten accessories
Página 33 de 86
01-214
Page 28-30
Page 28-30
12/2/2005