2007 6.2 mpi cranks but won't starr

Jkennedy16

New Member
Dec 10, 2018
3
Boat Info
Sea ray 290 Slx 2007
Engines
×2 325 Mercruiser w/Bravo III
My 2007 mercruiser 6.2 mx MPI cranks fine but won't fire up.

Batteries are ok. I checked the fuel and the engine is getting roughly 40psi so I don't think the fuel is the issue.

Spark plugs seem to be working fine too so I cannot figure out why it won't fire up.

Any advice would be much appreciated. Thanks!
 
A few ideas for you...

After cranking, pull a plug and see if it is wet with Gasoline. No gas on the plug = no fuel being injected.

Try a shot of carb cleaner into the throttle body. If it fires momentarily, again probably no fuel is being injected.

Test for spark from the coil and at an individual plug wire.

Report back and let us know the results.
 
sounds like no spark... wires, distributor, coil, plugs(read them) - (check in reverse order)

I have 6.2 parts from same year motor that function if you find you need something, cheap...
 
Try starting it with the throttle advanced to about a 1/3 of it's travel.
 
Was any work done to the engine?
Are you sure its fuel and not water?
 

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