Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 44
DME 7.8 DME 7.80 · Notes on troubleshooting
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DME 7.8 DME 7.80
Notes on troubleshooting
Working on the oxygen sensors
Note!
Oxygen sensors used with the DME 7.8
Component Use
Oxygen sensor Number of Before After
pins catalytic con- catalytic con-
verter verter
LSU all models with 6 / Wide band sensor turbo engine
all models
LSF with 4 all models Jump sensor aspirated
engine
The LSU (Lambda sensor Universal) is able to determine the lambda
value in a wide range window
The LSF (Lambda sensor Flat) is only able to determine lambdas
greater or less than 1 (the rich/lean jump)
Arrangement of oxygen sensors for 996 Turbo
1 2
0-PEIN page 10 2470 INTRODUCTION
PEIN2DME78 Printed in Germany – 14, 2003
This is a source reference. Confirm exact model applicability in the original material.
