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Home >> Audi >> 1994 >> S4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Air Induction Systems >> WASTEGATE By-Pass Regulator Valve >> Checking Electrically

Checking Electrically

  1. Disconnect harness connector at wastegate by-pass regulator valve. See Fig 1.
  2. Connect DVOM multimeter switched to resistance range to wastegate by-pass regulator valve, using adapters from (VW 1594) connector test kit. See Fig 2.
  3. Measure resistance, must be 25-35 ohms. If NO: Replace wastegate by-pass regulator valve.
Fig 1: Locating Wastegate By-Pass Regulator Valve
G00177362Courtesy of AUDI OF AMERICA, INC.
Fig 2: Measuring Resistance Of The Wastegate By-Pass Regulator Valve
G00177363Courtesy of AUDI OF AMERICA, INC.
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