car has no spark at cyl 1 and 4. test coil for 1 and 4 ok. test trigger for 1 and 4---no trigger from pcm. test trigger at pcm and scope cam and crank signals. no trigger at pcm cam and crank good pwr and grd good voltage drop tested at pcm ok. need pcm? comp ...

FIX posted 12/31/2009

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