Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 123
DME 7.8 DME 7.8 0 · Required fuel
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DME 7.8 DME 7.8 0
Required fuel
Fuel quality (RON) 98 unleaded
Electrical system
Nominal voltage V 12
Battery capacity Ah 80
Generator output W 1,680 (three-phase generator)
Ignition DME, single-spark coil, cylinder-selective knock
control
Firing order 1 - 6 - 2 - 4 - 3 - 5
Ignition angle control Via DME
Spark plugs Bosch FGR 6 KQC
Beru? 14-FGR 6 KQU
Electrode gap mm 1.6 +/- 0.2
911 Carrera (996) load values
Mass air flow ML in kg/h CLV in %
Idle speed 15 - 20 1.74 - 2.33
No load, n=3,000 rpm 50 - 70 5.81 - 8.14
CLV = ML/MLMAX * 100, with MLMAX = 860 kg/h
Test conditions
♦Engine temperature higher than 90 °C
♦Ambient temperature 20 °C
♦No loads switched on
♦Vehicle adapted
Engine specifications 0-5.1 page 3
Printed in Germany – 8, 2002 msp_dmFL
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