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Home >> Geo >> 1992 >> Metro LSi, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Spark

Ignition Checks: Spark

  1. Crank engine and check for a strong Blue spark at coil wire and each spark plug wire using Spark Tester (ST-125).
  2. If spark exists on some spark plugs, check for defective distributor cap or defective rotor. Check spark plug high tension wire resistance. Replace spark plug high tension wires if resistance exceeds specification. See HIGH TENSION WIRE RESISTANCE table.
HIGH TENSION WIRE RESISTANCE(1)

Application Ohms
All Models 3000-6500
(1) Resistance for every 12" (305 mm) of wire.
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