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    Black Scorpion Mag Mpi fuel pressure

    According the 24 service manual I am supposed to be getting 34-38 psi. Is that at idle with regulator vacuum connected? I'm getting 26psi at idle with regulator vacuum hooked up. If i disconnect the vacuum should it increase? I'm to determine if I have a fuel or regulator issue. After a few...
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    3.0L TKS stuck in base timing

    I was checking base timing by starting engine and bringing up to operating temp then jumper the 2 white dist wires together and bypass the shift interrupt wires. After timing was set I reconnected shift interrupt wire and removed jumper from distributor. The engine would not come out of base...
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    Timing issue 3.0 TKS

    I am having some issues on my 2005 3.0L serial number 0W306422 engine. I jumped the 2 white wires from distributor, and bypassed the shift switch like the instructions said, runs like crap at 2 degrees atdc. The only way it runs good is setting timing at 10-12 degrees btdc. Do I set idle...
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    3.0L hard starting when warm

    I have a 2005 mercrusier 3.0L with TKS carb. The boat starts instantly when cold but starts really hard when warm seems like its flooding itself. I replaced the dist cap , rotor, spark plugs, spark plug wires, and fuel filter.
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