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Home >> Audi >> 1990 >> 90 Base, 2.3 C, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System >> Fuel Control (Cis-E III) >> Cold Acceleration Enrichment
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Cold Acceleration Enrichment

  1. Disconnect differential pressure regulator harness connector. See Figure for differential pressure regulator harness connector location. Using Adapter (VW 1315 A/1), connect Multimeter (US 1119) to differential pressure regulator and harness connector. See Figure .
  2. Set multimeter to 200 mA DC scale. Disconnect oxygen sensor connector. Start engine and let idle. Note multimeter reading. Accelerate engine. Multimeter reading should increase approximately 6 mA during acceleration.