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Fuel Pressure - 1994 PCM Pro Boss

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sandro.zaal View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sandro.zaal Quote  Post ReplyReply Direct Link To This Post Topic: Fuel Pressure - 1994 PCM Pro Boss
    Posted: July-04-2019 at 5:45am
Hi everyone,
Can you please tell, what should be a normal fuel pressure PSI on 1994 PCM Pro Boss with Pro Tec ignition.
Thanks.
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KENO View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: July-04-2019 at 10:02am
About 15 psi going to the throttle body
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Jonny Quest View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jonny Quest Quote  Post ReplyReply Direct Link To This Post Posted: July-04-2019 at 8:31pm
A 1994 Pro Boss wasn't necessarily a TBI engine. If you have a carbureted engine, the fuel pressure would be 6 to 6.5 psi. If you had the Holley TBI, then KENO's response of 15 psi is good.

JQ
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: July-04-2019 at 9:56pm
JQ

Read this link which you started 4 1/2 years ago and it just got resurrected by Sandro.

Maybe you can figure out if he has a carburetor or TBI   

link

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Jonny Quest View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jonny Quest Quote  Post ReplyReply Direct Link To This Post Posted: July-05-2019 at 1:16pm
Didn't recognize the name. Yup, sounds like he has TBI...poor dude.
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2003 Ski Nautique 206 Limited

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2001 Ski Nautique Open Bow
1994 Ski Nautique Open Bow

Aqua skiing, ergo sum
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sandro.zaal View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sandro.zaal Quote  Post ReplyReply Direct Link To This Post Posted: July-08-2019 at 4:24am
Its a TBI and the PSI was 10 without ups and downs.
But, when I push the gas, the engine has a power loss for a millisecond and then more or less smooth run, but starts is very dirty. Cant figure out what it could be.

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