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Home >> Dodge and Ram >> 1984 >> Caravan Base, 2.6 G >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L EFC System >> Testing >> Electronic Spark Control >> Ignition System Starting Test
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Ignition System Starting Test

  1. Remove coil secondary wire from distributor cap. Hold end of wire 1/4" away from good engine ground. Have assistant crank engine, while you watch for spark at secondary wire. Spark should be constant and bright blue.
  2. If spark is constant and bright blue, have assistant continue to crank engine and watch for arcing at coil tower while slowly moving coil secondary wire away from good ground. If arcing occurs, replace coil. If spark is weak or not constant, or there is no spark, proceed to Failure to Start Test.
  3. If spark is good and there is no arcing at the coil tower, secondary voltage is satisfactory. Make sure it is reaching spark plugs by checking distributor rotor, cap, spark plug wires and spark plugs.
  4. If all of these components check okay, ignition system is not at fault. Check fuel system or mechanical engine damage.
CAUTION: Perform Ignition System Starting Test first. Failure to do so may result in lost diagnostic time or incorrect results.
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