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  1. 0

    Location of IAT on 4.3

    I had a diagnostics ran and it came back as a bad IAT(Intake Air Temperature sensor). I have a 2000 4.3 efi mercruiser and was wandering the location of the sensor exactly. Thanks
  2. 0

    4.3 Merc Cruiser EFI Running Rough

    Hey guys I have an ongoing problem with my boat. It started back about two months ago when I was steadily using the boat. The first time I noticed an issue was when I was pulling a friend wakeboarding. I heard a loud thud and immidiately stopped. Checked around and saw nothing and the boat was...
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    Location of 4.3 diagnostic port?

    Hey guys two quick questions. Where is the diagnostics port located on a 2000 4.3 FI MercCruiser and could I use a universal car diagnostics on it. I figure its just a vortec v6 so maybe it would work. Im having hesitation at hard throttle so thought maybe if an injector is bad or something this...
  4. 0

    Hesitation under 3/4 to full throttle

    Hey guys have an issue wth my 4.3 FI motor. It hesitates when I give it 3/4 to full throttle. I can feel the boat jerking somewhat and the rpms bouncing a little. The motor makes unusual sound also. I tried looking for similar problems but they were all carbureted. Any ideas?
  5. 0

    Alpha One pops out of gear under load

    Hey guys I will try and be as detailed as possible. Ok so Ive been wakeboarding since about March almost every weekend and decided to buy a tower. Today while I was pulling my buddy up out of the water and bout to plane the boat reved and sounded like some grinding. I got my buddy in and it...
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