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Forum: Engines 05-14-2017, 09:52 PM
Replies: 49
Views: 3,736
Posted By mmwjr
The rough waters may have stirred up crud in the...

The rough waters may have stirred up crud in the gas tank that got into the carb now clogging its idle circuit passages. Try some sea foam but the carb may need a rebuild.
Forum: Engines 05-14-2017, 09:50 PM
Replies: 49
Views: 3,736
Posted By mmwjr
New thread In this case if you went to...

New thread

In this case if you went to engines page there is a new thread selection on the top left side.
Forum: Engines 05-14-2017, 05:06 PM
Replies: 49
Views: 3,736
Posted By mmwjr
This thread is a few years old so you should...

This thread is a few years old so you should start you own.

3.0? Carb idle circuit may have crud, at idle do you see gas squirting from the jets in the carb? Also could be a vacuum leak. When did...
Forum: Engines 06-30-2015, 04:17 PM
Replies: 49
Views: 3,736
Posted By mmwjr
What the heck using the engine compartment as a...

What the heck using the engine compartment as a dog house :whistle:
Forum: Engines 06-29-2015, 10:19 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Yea I know the interrupt switch stumbles the...

Yea I know the interrupt switch stumbles the engine only when coming out of gear, but if alignment or a bad cable this thing can get out of whack.

Just head stracthing and trying to eliminate a...
Forum: Engines 06-29-2015, 10:14 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Try disconnecting the shift interrupt switch to...

Try disconnecting the shift interrupt switch to see if the problem goes away. It is located on the shift bracket on top of the 3.0.

Do not leave it this way as it will cause wear on the dog...
Forum: Engines 06-25-2015, 04:37 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Better yet VW had a gas fired heater option. ...

Better yet VW had a gas fired heater option.

Man were old to know all this :D
Forum: Engines 06-25-2015, 04:28 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Since the OP issue is the boat will not idle the...

Since the OP issue is the boat will not idle the plates are mainly closed and engine vacuum will exists at this point, therefore a leak will cause a bad idle from being too lean.

Higher rpm your...
Forum: Engines 06-25-2015, 03:49 PM
Replies: 49
Views: 3,736
Posted By mmwjr
There are few to no vacuum lines on a boat...

There are few to no vacuum lines on a boat however vacuum leaks can occur in a carb (bad gaskets), at the carb to intake, or intake to heads.
Forum: Engines 06-24-2015, 04:42 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Call me Mike hope you resolve the issue...

Call me Mike

hope you resolve the issue soon so you can enjoy the season.
Forum: Engines 06-24-2015, 04:36 PM
Replies: 49
Views: 3,736
Posted By mmwjr
IMO since it will not idle even when warmed up if...

IMO since it will not idle even when warmed up if it is the TKS it would mean the circuit is not closing and running to rich, somehow I doubt this is the issue.

When winterized last was gas...
Forum: Engines 06-24-2015, 04:31 PM
Replies: 49
Views: 3,736
Posted By mmwjr
The two hoses are to drain the engine and exhaust...

The two hoses are to drain the engine and exhaust when winterizing the engine.
Forum: Engines 06-24-2015, 04:30 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Other than the enrichment circuit which uses a...

Other than the enrichment circuit which uses a temp sensor and solenoid to add gas when cold the rest of the carb is a standard 2 bbl.
Forum: Engines 06-22-2015, 04:12 PM
Replies: 49
Views: 3,736
Posted By mmwjr
There should be a gas/water separator near the...

There should be a gas/water separator near the fuel pump. Remove it and pour the contents into a glass jar to look for water or phase separation (two separate color liquids) that can occur with E10...
Forum: Engines 06-22-2015, 04:05 PM
Replies: 49
Views: 3,736
Posted By mmwjr
On top of the flame arrestor it will say TKS or...

On top of the flame arrestor it will say TKS or remove the flame arrestor and see if there is a choke or not.

Go to this site and find the manual for the carb

Boatinfo - Mercruiser Service...
Forum: Engines 06-22-2015, 03:44 PM
Replies: 49
Views: 3,736
Posted By mmwjr
Thanks. Merc offered a carb they called TKS (turn...

Thanks. Merc offered a carb they called TKS (turn key start) It eliminated the choke and incorporated an enrichment circuit by means of a solenoid and a temp sensor, these are know to go bad and will...
Forum: Engines 06-22-2015, 03:39 PM
Replies: 49
Views: 3,736
Posted By mmwjr
welcome aboard. what engine do you have? ...

welcome aboard.

what engine do you have?

Does it have an electric fuel pump? If yes may be a week oil pressure switch that provides power to the pump. Higher rpm providing enough Op to keep...
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