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Registered
Join Date: May 2002
Location: Santa Barbara, CA
Posts: 4,821
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It means the DME detected an open on the signal line to the ICV. If you had it disconnected and turned the ignition on could be an old stored fault. You might want to clear the fault memory (keep accelerator pressed longer than 10 seconds when switching the igntiion to ON) and re-test.
If the fault comes back your wiring might be bad. If the ICV is not controlled properly by the DME the engine dies.
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430
I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs
Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!!
How about a NoBadDays DualChip for 964 or '95 993
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