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527 hours on motor Yes compression test was performed, I do not remember all of the exact results Again, motor will run on carb cleaner so I do not suspect compression or spark to be an issue Thank you for asking.. This one has me banging my head on the wall, should be easy... Compression...

Yes, I understand and voltage at the injector is 12.6V, but getting a weak light from Noid (this is leading me to believe the injector control is not working correctly in the ECM) Yes I replaced injectors with flow matched new Bosch injectors, drained and replaced fuel with new, replaced fuel...

OK, So went back to the noid lights. Very weak lighting up. Checked voltage 12.6v constant at every injector. I am thinking it is bad injector drivers in the ecm. Taking the ECM on Monday to have it checked... Tried Removing IAT, just to see, makes no difference.

No DTS

No 30 seconds is a long time.. I can get 10-15sec..

Bought the boat with the problem. Doing the exact thing it is still doing. Prior owner said it was running fine, they stopped using it, decided to sell it and the problem came up. Prior owner still onboard with me and answers questions. Dealer shows all maintenance was performed regularly at the...

Not at Idle. Will not idle on its own. Will only start then die, never idle. No debri in fuel regulator, checked and rechecked fuel pressure at rail 43psi(so not a regulator). I have removed the fuel line from the pump and bypassed using another pump and fuel source to rule out bad fuel (even...

Problem was before new harness. Dealer suggested new harness. Checked and rechecked all weather packs and connections. Fuel pressure holds steady no drop. ECT - 84.2 TP - 0% (this does change as I change throttle poistion) IAC duty cycle - 0% Manifold Air temp - 91.4

Yes, new fuel (full tank) , fuel filter, and injectors.

I have looked thru lots of posts and I am probably missing the answer but I am hoping someone can help me here. I have a 2007 Sea Ray 260SD with a single 350MPI / Bravo III. Computer is a Mercruiser ECM 0501 The problem is that it will start but it will not stay running. I have Diacom computer...

Any News on this? I have a 2007 260SD with the 350MPI, doing the same thing. I have fuel at the rail and pressure of 43PSI, new injectors, new plugs and wires. Will start and then immediately die. If I use starter fluid it will stay running on the fluid. Checked the injectors with a Noid light...