Merc 7.4L (454) MPI Fuel Pressure - iboats Boating Forums
Feb 6, 2008 · Anyone know what the factory fuel pressure setting is on a 2001 Mercruiser 7.4L MPI at the fuel rail Schrader valve? I'm trying to diagnose a possible faulty (or clogged) injector vs. a …
what is a mercruiser 188 - iboats Boating Forums
Sep 26, 2013 · Re: what is a mercruiser 188 ^^^ Sir, you are confused. You're thinking of the mercruiser 470, 170, 180 series engines, the big 3.7 liter 4-cylinder. It does have all the problems you list. …
Replacing Exhaust Manifold and Riser on 3.0L - Tips Needed
Aug 19, 2016 · The time has come to do some preventative maintenance and i'm planning on changing out the Exhaust Manifold and Riser on my 3.0L Mercruiser. The engine is a...
Mercruiser trim/tilt wiring - iboats Boating Forums
Aug 22, 2010 · Re: Mercruiser trim/tilt wiring For the trim limit switch, look for connectors with a purple/white wire and two blue/white wires. Polarity is not important. Adjust the TL switch to give a …
How many drain plugs on a 4.3 v6 merc - iboats Boating Forums
Oct 26, 2008 · Re: How many drain plugs on a 4.3 v6 merc Dalton, just did this for the first time today after speaking with a technician. There are 5 on my 4.3L Mercruiser (2006 Tahoe Ski boat). Looking …
How to winterize closed cooling system engine - iboats Boating Forums
Oct 2, 2012 · Hello, I would like to winterize 7.4 L Mercruiser engine (1997 Mercruiser 7.4 L 8 cylinder) with closed cooling system. By reading various threads on the forum, I would like to verify the …
mercruiser alternator questions - iboats Boating Forums
May 8, 2011 · Re: mercruiser alternator questions Howdy, Well, After you check all the engine ground and positive connections, you might remove your alternator and drop on over to Autozone, Napa, or …
Converting 4.3L to 4.3MPI - iboats Boating Forums
Feb 10, 2005 · I have a 99 year mercruiser 4.3L 190hp alpha one.Does any one know of a conversion kit to fuel injection?obviously the main engine is the same all you need is the ecu,manifold,injectors …
Mercury Fault Code 312 - iboats Boating Forums
Apr 29, 2020 · Hello, Pulled Mercury fault Code 312 this my Rinda after the alarm went off. Mercruiser 5.0 mpi with Catalyst (puke). Boat runs flawless and oxygen sensor was replaced 2 years ago. …
Changing fuel filter ( water seperator) on fuel injected 05 Mercreiser ...
Feb 27, 2016 · On carb. engines I have had I always had to fill the filter with gas befroe I installed it. This one is mounted upside down, how do I prime it?