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    Overheating during cruising but normal under idle

    That sounds like it may be the issue … possible lake weeds clogged up the intake? There are a ton of weeds this year. Manifolds and risers are new as of last year so doubt that’s an issue. Motor is 2004 but new block in 2016 by previous owner. Consistently runs at normal temp. Going out...
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    Overheating during cruising but normal under idle

    Hey all, Was pulling the kids on the tube today at about 3200 rpm for about 30 mins or so, stopped to get the kids in the boat and got a high temp alarm…. Temp gauge went up to about 180ish. I shut down and waited a few mins, started back up and idled to our cove at about 1500 rpm’s and temp...
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    Throttle lever afjustment

    Is there an adjustment to tighten the throttle? It slips back when I advance to low rpm cruise… keeps popping back
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    EFI specs for techmate pro

    Alldodge… replaced the ECM and MAP today and seems to have done the trick. Hooked the Rinda up and temp at startup was high 80’s and idle was better. Real test will be the next time I start cold and hopefully it’ll start up on the first try without stalling. Thanks again
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    EFI specs for techmate pro

    Thank you!
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    EFI specs for techmate pro

    Sorry bout all the questions… but confused on which is the proper sensor. Am I looking at 19 or 20. I think 19 is on the tstat housing and 20 is on the exhaust manifolds - one on each side.
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    EFI specs for techmate pro

    Ah ok so sounds like I’m looking at replacing the ECT then…. Thank you for the help alldodge!
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    EFI specs for techmate pro

    Coolant temp read 113 when I first started it up today cold with the scanner connected and MAP volts 1.68. The two screen shots are at idle cold
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    EFI specs for techmate pro

    Sorry pics are out of order and I didn’t include the idle info when I was at idle on the throttle - I’ve attached. The 950 shows “desired idle speed” when I bumped the throttle to 1500 rpms. Not sure why that would be higher when the throttle is bumped. Would think desired idle would always...
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    EFI specs for techmate pro

    Battery volt goes to 13.6 at 1500 and spark advance goes to 14 and stays there. Idle spark advance is 7. Thought normal idle is 600?
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    EFI specs for techmate pro

    Thanks for the reply. Would you know what the normal output for the IAC should be? I’m getting 22-25 at idle and 35 at 1500 rpm. Trying to diagnose a hard starting condition when cold. Some photos of the diagnostic info attached
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    EFI specs for techmate pro

    Hi all, 2004 5.0gxi-D. Looking for all the specs that I can compare techmate pro output to. Not finding anything in any of the manuals I have. Suggestions? Thanks
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    No start issue - likely fuel pump

    Howdy all, after changing manifolds/risers and full tune up, I fired up the boat in the driveway and had a no start condition. Motor cranked and sounded like it wanted to start but dies... went through all my work and found new #8 plug wire broken at the plug end, so replaced and it started up...
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    Water pump screws

    Freshwater. Thanks for the reply
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    Water pump screws

    Changing out my impeller and snapped one of the screws. Housing is brass?? Guess the screws are as well. Having a hard time finding replacements in brass. They are M5-.8 x12mm. What other metal can i use that won’t cause an issue?
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    Riser gaskets

    Which ones would you use and why? The red ones came with the Barr elbows; The metal ones are supposedly OEM. If the metal ones are used, I’m assuming the little ridge running along the middle faces up to the elbow? Or does that even matter? I’m installing new OEM manifolds and Barr elbows and...
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    Exhaust manifold tap size

    Thanks. It’s a 5.0 gxi-D. Block is a Michigan motorz reman in 2015. Did some research and found someone mentioned 3/8-18 so which one?
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    Exhaust manifold tap size

    What is the tap size? I believe it’s 3/8” but wanted to confirm and should I use taper, plug or bottom? TIA
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    Glad I decided to replace my manifolds!

    I was very close to just replacing the gaskets between the manifolds and elbows, but decided since it’s a new to me boat (relatively speaking) I’d just replace them and be safe. Glad I did. Lots of hidden rust up against the block on the starboard side. Also there was what looks like a bit of...
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    Replace or

    thoughts? Got the gasket surface good and flat. One of the inside walls is a bit thin though in a spot.
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