94 Sport PCM 5.8 HO Carbed hard starting when warm
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=49007
Printed Date: November-27-2024 at 4:02am
Topic: 94 Sport PCM 5.8 HO Carbed hard starting when warm
Posted By: Jpeck
Subject: 94 Sport PCM 5.8 HO Carbed hard starting when warm
Date Posted: July-05-2020 at 11:26pm
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I have a 94 Sport with the PCM 5.8HO with the protech ignition. My issue is that I will be out riding and my engine will warm up and if I turn it off and wait more than 20 min it has a hard time starting. I have no issues if I momentarily turn it off to pick up a skier in the water and turn it back on. it's just when I'm sitting with it for extended periods of time w/o the engine running. I thought it may be either a badly tuned carb or my ignition system is going bad. Any thoughts???
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Replies:
Posted By: Jonny Quest
Date Posted: July-06-2020 at 1:57pm
My old 1994 the similar symptoms. Hard starting when warm. That eventually worsened to intermittent hard starting regardless of conditions. Then, ProTec suddenly failed altogether. No warning, it simply shut down in the middle of a ski run. That earned me a tow back to the marina....20+ miles away.
ProTec parts are NLA so you may want to do some reading on this site regarding retrofitting back to a distributor and removing ProTec. Many look at ProTec as “not if, but when” it will fail. Good system when it’s working, but.....
JQ
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Current
2003 Ski Nautique 206 Limited
Previous
2001 Ski Nautique Open Bow
1994 Ski Nautique Open Bow
Aqua skiing, ergo sum
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Posted By: TRBenj
Date Posted: July-06-2020 at 2:37pm
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I would be looking at all possible causes (including a drippy carb). Not to say that Protec can’t be suspect but it would be a bummer if a $500+ retrofit didn’t solve your issue.
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Posted By: GottaSki
Date Posted: July-06-2020 at 3:02pm
Indeed, as been said
Are you just cranking at idle forever or doing something with the throttle?
Joe i see you are 20. thats great. we grew up eating carbs for breakfast, its all we had., but might be foreign to you.
Next time it happens, pull the pin and hold it to the boards wide open (reverse is more effective with an MV2 helm) , hit the start then pull the throttle back to neutral as soon as it fires. If this clears it up quick and gets you on the way, then its just loading up with fuel after shutdown with some heat creep into the carb and line, exacerbating a leaky needle/seat ., and less about electronic ignition components . If it still wont fart, one can focus with more clarity on the ignition components
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole
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Posted By: Jpeck
Date Posted: July-06-2020 at 8:06pm
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Thanks for the input! I can get it restarted, and I do so by pulling the transmission control and putting it wot and it kicks back to life, then put it back to neutral. Is this something I can fix via carb rebuild??
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Posted By: 8122pbrainard
Date Posted: July-06-2020 at 8:47pm
Joe,
You're dripping gas into the engine causing a flooding condition. The WOT is overcoming the gas by allowing more air into the engine. Yes, a carb rebuild should solve it.
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64 X55 Dunphy
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Posted By: Jpeck
Date Posted: July-07-2020 at 1:05am
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Sounds good thanks for the help!
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