'88 force125 spark problems

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Posted by Dave M ( on October 07, 2005 at 21:56:29:

the spark on #3 cyl is ok at idle then disappears above idle to around 1500 or above then it comes back, this is observed with a inline spark tester, I switched #3 and #4 coils but the miss stays at #3 cyl, any advise as to where to look next would be appreciated , i do have a SELOC manual for this engine, but the test procedures are not real clear and seem to be a good or bad and this doesn't seem to fit into a yes or no catagory

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