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Home >> Audi >> 1980 >> 5000 Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Ignition System >> BOSCH Hall Effect Electronic Ignition System >> Testing >> System Spark Check

System Spark Check

  1. If vehicle will not start, check for secondary voltage. Remove coil high tension wire from distributor cap. Hold wire approximately 1/4" (6 mm) from engine ground, using insulated pliers.
  2. Crank engine and check for a constant blue spark at gap to ground. If there is a good spark, check distributor cap, rotor, spark plug wires, spark plugs, fuel system and engine mechanical components. If there is no spark or only a very weak spark, perform the following checks.
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