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Home >> Audi >> 1984 >> 5000 4D Sedan, 2.2 C >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH Cis-E (Turbo) >> Testing >> Fuel System >> After Start Enrichment

After Start Enrichment

  1. Remove connector from NTC sensor. Ground terminal 4 of ignition coil. Crank starter for 3 seconds and leave ignition on. Differential pressure regulator current must exceed 120 mA for 20-40 seconds. Current should then return to range of 80-110 mA.
  2. If not, check for starter signal to terminal No. 24 of ECU. Check for signal from fuse/relay panel to starter. If wiring and signal are correct, replace ECU.
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