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RedfishRodCompany

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Posts: 7
Reply with quote  #1 
Hi All,

Just a general question looking to kick around ideas really.  Motor has less than 500 hours on it and has had its 500 hour service already roughly 2 years ago because I bought it with 346 hours on it.  That said, it was gone through, EV diag ran and all was well and has been.

So last time out, check engine light pops, SAFE mode.  Literally the day before ran her fine zero issues.  Drove it 2.5 - 3 hours from the house to the coast, went to the boat ramp started it got it far enough off the trailer to piss me off to have to load it back on!  

I did gun it to get it off the trailer and once it passed the 1500 or so RPM, check engine pops.  Kill it load it, get to cabin throw water on it to rinse anyway as I was in the salt and all is well.  Neutral it and hit 1500 in the nuetral rev and the check engine pops on again.  My thoughts are TPS related.  Motor is clean, cowling sealed well, no rust.  However I do run in the salt.

My ideas are throw EV Diag on it and see obviously.  However and here's my question all the scenarios and thoughts outlined above does anyone foresee this being something other than TPS or over 55V?

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mead

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Posts: 775
Reply with quote  #2 
There are over 100 fault codes that will trigger the check engine light. Guessing is just guessing at this point without a look at ev diag.
Huey

Moderator
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Posts: 13,860
Reply with quote  #3 
+1 to what mead said and it will be hard without Ev dia connected. The thing is, SAFE limits to 1200RPM so if you can rev to around 1500RPM it is not going into SAFE mode and the most common cause for "check engine" without going into SAFE mode is water in the fuel.

Now if it was limited to 1200RPM and therefore in SAFE and check engine, that is related to the 55V circuit either high or low, so the next step would be to check boat's wiring, stator test, capacitor check and make sure the flywheel magnets are in good shape. Following that a diagnosis of the engines 55V wiring but they may be above your pa grade. If you are going to tackle it yourself invest in Ev diag and service manual.
RedfishRodCompany

Registered:
Posts: 7
Reply with quote  #4 
Completely cool with running diagnostic. Thanks foe the replies guys. It could be 1200 RPM it's happening. I wasn't on the water and I'm not about to over rev the motor out of water long enough to see if it's 1200 or 1500. Probably won't hurt it but I'm also not one to risk things without needing to. I do not it wouldn't rev up while in gear which is what cause me to think SAFE mode. Water in fuel isn't a culprit that I would assume off the top of my head but, you never know. Thanks guys. I'll start a new thread with the output if need be!
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