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  1. J

    200 HP - No spark at random cylinders

    ENGINE INFO: <br />1993 2.5L Mercury 200 (0D271065)<br />INITIAL PROBLEM:<br />My engine had no spark on all 3 cylinders (1,3,5) on one bank.<br />DIAGNOSIS:<br />I swapped the ignition coil leads to the switch boxes and the problem moved to cylinders (2,4,6). From my knowledge this meant that...
  2. J

    1993 Mercury 200 decreased RPM to 2000

    While running about 4500 RPM on Sat 7/16/05 the engine suddenly decreased the RPM's to about 2000. I checked the Temp gauge and had normal reading. <br />I then shifted to neutral and engine turned off. Unable to start since unless I dis-engage the throttle control and move it front to give it...
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