Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 691
DME 7.8 DME 7.8 0 · Oxygen sensors ahead of and after catalytic converte
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DME 7.8 DME 7.8 0
Oxygen sensors ahead of and after catalytic converter
1 - Oxygen sensor ahead of catalytic converter
2 - Oxygen sensor after catalytic converter
1 2
13 Oxygen Sensor Ahead of TWC, Bank 1 – Below
Limit
Diagnosis conditions
• Battery voltage between 9.5 V and 16 V
• Time elapsed after engine start-up greater than 10 seconds
Possible fault cause
♦Short circuit to ground
Affected terminals
II/19
Diagnosis/Troubleshooting
2469 P1115 0-105 page 5
Printed in Germany – 2, 2000 p1115
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