Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 529
DME 7.8 DME 7.8 0 · A - Oxygen sensor, bank 1
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DME 7.8 DME 7.8 0
A
B
A - Oxygen sensor, bank 1
B - Oxygen sensor, bank 2
1 - Select system test.
2 - Select "Request small lift".
If "Valve lift diagnosis not ready" appears, a fault may have
been stored.
1. Erase the fault memory.
3 - Activate the system test with the key F8 immediately
before acceleration with wide-open throttle.
The message "Drive link active" then appears.
Note!
If "Request small lift" appears, the valves remain at small lift,
ie. the performance is reduced dramatically.
4 - Perform acceleration with wide-open throttle in 2nd
gear, until "Valve lift diagnosis completed" (max. 4,000
rpm) appears.
At speeds above 4,000 rpm, misfires may be stored. Delete
the fault memory and repeat the test.
2673 P0430 0-63 page 3
Printed in Germany – 1, 2000 p0430
This is a source reference. Confirm exact model applicability in the original material.