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Recent content by siggg40

  1. S

    TPS testing 1992 mercury EFI XRI 200

    Hi, On a 1992 mercury 200 xri EFI. how can I test and verify the Throttle position sensor is bad? the part is 500 bucks and I want to make certain its bad. per the book i took the blue wire and Tan wire and moved the sensor nothing happen, however the Blue and the Orange wires together worked...
  2. S

    200 hp Mercury XRI one bank of cylinders will not fire..

    I have a 200 hp mercury XRI efi 2.5L just had the power head rebuilt, and on my 2nd tank of gas, still in break in process, I lost fir to one bank of cylinders. i checked voltage to the coil packs no voltage there, so I replaced both of my power packs. this did not fix the issue. can this be...
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