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Home >> Porsche >> 1988 >> 944 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DME Digital Engine Control >> Diagnosis & Testing >> DME Control

DME Control

  1. Reconnect the fuel pressure regulator vacuum hose. Disconnect oxygen sensor. Connect oxygen sensor harness connector terminal to ground.
  2. Check if the CO% level increases. If not, check wire from CU connector terminal No. 24 to oxygen sensor plug. If no problem is found, replace oxygen sensor.
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