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Idle Map STR fault

Old 08-03-2020, 08:54 AM
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Default Idle Map STR fault

I keep getting this Idle Map STR fault on my smartcraft monitor for my starboard 600 SCI. My Rhinda isn't picking up any codes. I replaced the MAP sensor, but I'm still getting the error. When the boat is cold no error. As it gets warm, I will get the error. What am I missing here. Is there another MAP sensor other than the one on the side of the intake?
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Old 08-03-2020, 09:06 AM
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You referring to the MAT sensor ? manifold absolute temp, kind of sounds like your symptoms
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Old 08-03-2020, 10:50 AM
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Nope, the code is IDLE MAP STR. Here is a picture. Once the fault is triggered, my RPMs increase about 100 RPMs and it will run rich.


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Old 08-03-2020, 12:31 PM
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Idle RPM MAP Strategy (same as MAP Idle Check)

Map Idle Check. MAP Sensor Rationality/Loss of Vacuum Check (Not Available On All Models)

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Old 08-03-2020, 12:57 PM
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Originally Posted by SB View Post
Idle RPM MAP Strategy (same as MAP Idle Check)

Map Idle Check. MAP Sensor Rationality/Loss of Vacuum Check (Not Available On All Models)
SB, what would a dumb person be looking for, or what do I need to check?
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Old 08-03-2020, 03:18 PM
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I'm dumber than the rock I'm sitting on taking a break right now.

Originally Posted by endeavour32 View Post
I keep getting this Idle Map STR fault on my smartcraft monitor for my starboard 600 SCI. My Rhinda isn't picking up any codes. I replaced the MAP sensor, but I'm still getting the error. When the boat is cold no error. As it gets warm, I will get the error. What am I missing here. Is there another MAP sensor other than the one on the side of the intake?
WHat was the map sensor part # you used ? Got a pic ?
I only see one MAP. There are two intake air temps. Before and after.
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Old 08-03-2020, 05:16 PM
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Bought the part new. It is part number 8M6000628. As far as I can tell, there is only one MAP sensor, but I have been known to be wrong once or twice. I have a diagnostic manual but that was little help. So I have now ordered a service manual, maybe that will be more informative.
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Old 08-03-2020, 07:45 PM
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Mine throws that fault once in a while when I first put it in gear after idling a bit when it's hot.

I think it that the IAC can't react quick enough at times to supply enough idle air..

If I touch the throttle just a bit right after I put it in gear it works just fine...


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Old 08-03-2020, 07:47 PM
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Originally Posted by Boatally Insane View Post
Mine throws that once in a while when I first put it in gear after idling a bit when it's hot. I think it that the IAC can't react quick enough at times to supply enough idle air..

If I touch the throttle just a bit right after I put it in gear it works just fine...
Mine won't stop beeping once it starts. Do you have to restart or will it self correct and then stop beeping.
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Old 08-03-2020, 08:23 PM
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Originally Posted by endeavour32 View Post
Mine won't stop beeping once it starts. Do you have to restart or will it self correct and then stop beeping.

I have to shut it off and re-start the engine to get it to quit beeping as well

Mark Boos tuned mine.. I sent him an email asking about it, but haven't heard back..

Last edited by Boatally Insane; 08-03-2020 at 08:33 PM.
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