2005 Merc Opti problem

Joined
Jan 9, 2012
Messages
2
Two weeks ago- all good, running great
Saturday....
-loss of power
-max 4000 rpm @19GPM (normally 57-5800@12GPM)
-normal temp
-normal voltage
-rough idle

Where do I start? Any suggestions or similiar experiences?

All I have had time to check so far is the fuel which had no sign of water when I drained the fuel separator bowl or when purging from the primer bulb.

Plug wires are tight.
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,618
Re: 2005 Merc Opti problem

Sucked a reed.. When idling with cover off you should hear it huffing back thru air handler and this is a common problem.
 
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