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Home >> Porsche >> 1987 >> 944 Turbo >> Repair and Diagnosis >> Engine Performance >> System >> DME Control System >> Diagnosis & Testing >> DME Control
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DME Control

  1. Reconnect the fuel pressure regulator vacuum hose. Disconnect the oxygen sensor. Connect the 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 the oxygen sensor.
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