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    Bizarre IAC reading

    Now that all my fuel pressure and module fun is over, I decided to quick plug in the computer to see what all the parameters are. Idle is normal but my IAC is at 99.98%. I just realized the one screen shot of the parameters shows IAC at 0%. It was at 99.985... I swear :oops: I also finally...
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    Cool Fuel 3 Module Water Channels

    How do you determine when it's time to replace the CF3 module? Looking in through the water inlet/outlet holes, I see corrosion in there but without seeing what a new module looks like, hard to determine the level of blockage. Does the water jacket/passages in the module surround the two fuel...
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    High Fuel Pressure

    I've been running rich and did a pressure check and I'm running about 70psi at idle. Trying to get a couple questions answered so I can just hop from one thing to another to get me through the diagnostics. Last season I got the fuel injectors cleaned which apparently they needed it. 2 of the 8...
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    Fuel Pressure Regulator 885174 - Repair/Replace

    I have a 2005 MX 6.2L MPI with Bravo 3 s/n 0W061713. 885174 comes back as the fuel regulator. Why are these regulators so darn expensive? Can they be cleaned/repaired or should it just be replaced if there is an issue with the regulator?
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    Cool Fuel Gen 3 Module Sea Water Connection

    In the continuing saga from my other post in flushing my engine out from all the mud I sucked in, I pulled the cooling hose bracket off the fuel module to flush out the module. It looks like while trying to remove the bracket (because one of the plastic fittings was stuck) it got bent a little...
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    Flushing out cooling system after sucking in mud

    Lessoned learned yesterday about one of my normal boat launch points....never again leave or return at low tide....not enough depth. So, the obvious outcome is that I sucked up crap load of muck and was able to get to the dock and shut down just as the high temp alarm went off. Got home, put it...
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    Kodiak 225 Brake pad replacement

    Time for me to replace my pads and I'm wondering if there is a automotive equivalent to the kodiak 225 pads. If there is, is there any difference in using those pads vs buying from kodiak?
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    Navionics maps on Lowrance chart plotter

    So I knew Garmin bought out Navionics but I discovered today that the old web address to Navionic's web chart viewer redirects to a Garmin web address. It's great that the web chart viewer is still accessible but I can no longer do auto-routing for a trip. 1. Are there any other web based chart...
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    Bravo 3 carrier assembly seal be damaged this way?

    I park my trailer on a gravel pad and a couple of weeks ago I noticed that the outdrive was in the full down position with the skeg buried into the gravel along with some of the prop pushing into the gravel. Long story short, I'm guessing one of the rain storms probably seeped into the swim...
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    Trailer brake pad uneven wear

    I installed the Kodiak 225 brake kit about 3 years ago and only noticed this time around that the brake pads are wearing unevenly, I think. The outer pad is significantly thinner than the inner pad (one on the piston). I've always thought that both pads would wear down fairly evenly. I'm OCD...
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    First startup for the season and then died

    First engine start for the season. It started up and ran rough for a minute or two like it wanted to stall and then died. Now it won't restart. At times it sounds like it wants to but doesn't catch. During one start attempt, it made a pop/hiss sound and blew the IAC filter out of the...
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    Fuel Injector Question

    I went to pull the fuel injectors so I could send them off to be cleaned. Since this is a 2005 boat, this is probably the first time they've been pulled and they gave me a little bit of a fight. Some of the injectors popped off the rail rather than out of the manifold so I hope I didn't do any...
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    Battery charger size needed

    I've been reading up on how to determine what size charger is needed. Some things I've read is to take the amp hour rating and multiply by 10%. Based on this, it looks like I would need a 20 amp charger (10 amps per channel - 2 batts). But then I've also read that I wouldn't need a 20 amp...
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    Fuel Pressure Regulator - Automotive equivalent

    Why are some regulators way more expensive than others? For my engine (2005 6.2L MPI), 885174, it averages around $300. I know there have been many posts regarding the use of Merc parts versus the automotive equivalents. Is there an automotive equivalent for this regulator? I know there are...
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    Red lights above bilge blower switch

    With my Chap 256 SSi, I have two red leds above the bilger blower switch. One of the leds is lit when I turn the switch on. At first I thought this was an indication that one of the blowers was not working but that is not the case as both blowers are operating. What's the wiring schematic...
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    Fuel Injector Boat vs. Auto Equivalent

    What's the consensus on using the automotive equivalent of fuel injectors on boats? I looked up the price for injectors (Merc #885176) for my 6.2 MPI and of course my draw dropped. What would be the automotive equivalent to this injector?
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    Diacom engine parameters

    I purchased the Diacom software but I don't see "engine hours" on the list displayed. Is there a way to see this bit of info.
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    Faulty IAC or something else

    I had some intermittent stalling issues at idle in gear and some rich smelling exhaust. Running on plane, boat behaved great. I got me the Diacom software and plugged in to see what was going on. Everything but the IAC duty cycle seemed fine. BTW, all testing done running on muffs. With the...
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    Merc 6.2L MPI low idle, rich and stalling....trying to put it all together

    I have a 2005 6.2L MPI with Bravo 3 and took the boat out over the weekend for the first run of the season. I had a couple instances of the engine stalling out while in gear at idle. It started back up each time with no problems. Other than these few stalls, it ran just fine. I think it may...
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    Dual battery setup (batt 1 & 2 or engine & house)

    I have the batt 1 & 2 setup (On, 1, 2, both) and I was curious about any pros/cons to this setup versus a setup with a dedicated engine and house batt where you could use the batt switch and ACR from Blue Sea. I've thought about converting over the Blue Sea system to keep the house circuit on...
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