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Home >> Dodge and Ram >> 1993 >> Colt Base, 2D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Power Transistor (Colt 1.8L, Colt 200, Mirage 1.8L) >> Examples Of Abnormal Wave Patterns
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Examples Of Abnormal Wave Patterns

  1. Wave pattern during engine cranking. Cause of problem: Open-circuit in ignition primary circuit. Wave pattern characteristics: Top-right part of the build-up section cannot be seen, and voltage value is approximately 2V too low.
  2. Wave pattern during engine cranking. Cause of problem: Malfunction in ignition power transistor. Wave pattern characteristics: Power voltape results when the ignition power transistor is ON.