Porsche 928 Workshop Manual page 504

28
Ignition System 928
Resistance of ignition line including plug: 2.5 k Ohms.
Resistance of distributor rotor: 5 k Ohms.
Spark at spark plug?
I repair secondary side
t
3. Check ignition timing.
Timing correct?
I
Ye=
I adjust timing
4. Check fuel system.
Engine receiving sufficient fuel?
28 - 12 Troubleshooting Electronic Ignition System
Printed in Germany