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1990 pcm 361 fuel pump

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KENO View Drop Down
Grand Poobah
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Topic: 1990 pcm 361 fuel pump
    Posted: September-25-2016 at 9:24pm
Not much of a description or any answers to the previous questions.

It sounds like you now think it's not a fuel problem

As far as your question............NO,it ain't normal to touch the distributor and have the engine speed up.

More questions for ya'

What kind of distributor?

Points or electronic?

What do you have for a coil?

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David l View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David l Quote  Post ReplyReply Direct Link To This Post Posted: September-25-2016 at 3:28pm
Update. Its progressively running rougher. If i press on the distributor it idles higher. Is this normal? Also all gas flow is in check.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: September-20-2016 at 8:26am
Originally posted by TRBenj TRBenj wrote:

Maybe but probably not. A better description of what's happening might help us. Are you checking for spark or fuel after it dies?


The part about "a better description might help" didn't seem to get any response from you.

Does it run for 20 minutes, no matter what speed you're going?

How long before it restarts?

What happens after you restart it with some gas down the carburetor? Does it run for another 20 minutes

Like TRB asked,have you checked for spark right after it dies even though you think its a fuel problem? Always good to be sure it's not electrical before you head down the wrong path.

If you're SURE it's fuel related

Then hook up a temporary portable tank directly to the fuel pump suction and go for a ride and see if it happens again. That'll tell you a lot.

The problem is before the fuel pump if your problem is gone (filter, anti siphon valve, fuel pickup in tank, plugged tank vent, restricted fuel line to name some possibilities.

If it's still there the fuel pump or carburetor would be the issue. Make sure the portable tank is vented when you're using it.

Do a search on here about fuel issues, you'll find plenty of info

And..........provide some info, it'll get you more help
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David l View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David l Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2016 at 11:14pm
Bump
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David l Quote  Post ReplyReply Direct Link To This Post Posted: September-18-2016 at 2:55pm
No excessive smoke
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David l Quote  Post ReplyReply Direct Link To This Post Posted: September-18-2016 at 2:53pm
I can pour a little gas in carb and it will start. Maybe fuel water separater
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Orlando76 Quote  Post ReplyReply Direct Link To This Post Posted: September-18-2016 at 2:34pm
Any excessive black smoke when it dies?
Please support The Cystic Fibrosis Foundation
1976 Ski Nautique 351 Escort
1993 Ski Nautique purple and black 351 HO PCM
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TRBenj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TRBenj Quote  Post ReplyReply Direct Link To This Post Posted: September-18-2016 at 2:07pm
Maybe but probably not. A better description of what's happening might help us. Are you checking for spark or fuel after it dies?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David l Quote  Post ReplyReply Direct Link To This Post Posted: September-18-2016 at 1:30pm
Hello yall! Newbie here. I have a 1990 ski nautique that will idle perfect in my slip but everytime i take it out the water....20 minutes in it chokes and stalls out. Fuel pump?.....and pardon me...its a 351
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