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IGNITION SYSTEM TSB Revision ENGINE ELECTRICAL 16-33 Point B: Number of vibrations in reduction vibration section (Refer to Point C: Number of vibrations at beginning of dwell section (Refer to Point D: Ignition voltage height (distribution per each cylinder) shows . ABNORMAL WAVEFORMS EXAMPLES • Wave characteristics Spark line is high and short. • Cause of problem Spark plug gap is too large. Example 2 • Wave characteristics Spark line is low and long, and is sloping. • Cause of problem Spark plug gap is too small. NUMBER OF VIBRATIONS COIL AND CAPACITOR Three or more Normal Except above Abnormal NUMBER OF VIBRATIONS COIL 5 − 6 or higher Normal Except above Abnormal IGNITION PLUG GAP CONDITION OF COMPRESSION CONCENTRATION IGNITION TIMING SPARK PLUG High Large Large wear High Lean Retarded High resistance Low Small Normal Low Rich Advanced Leak AKX00280 AKX00281 |