Smokes at idle

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
1983 Merc 150. Can a lean condition cause excessive smoke at idle? Fuel pressure is 2.5 lbs at idle and according to Merc manual, it should be 3-4 lbs. I've got a holly redtop on order, but its lost in the mail. Thanks.
 

Boomyal

Supreme Mariner
Joined
Aug 16, 2003
Messages
12,072
Re: Smokes at idle

Most likely just the opposite. Are you sure you have the right oil mixture. If all else checks out, try synthetic oil.
 

KCLOST

Commander
Joined
Jun 22, 2002
Messages
2,095
Re: Smokes at idle

Lean! NO!<br /><br />But your engine likes to smoke heavily at idle regardless. <br />However, synthetic does do miracles!!!!!
 
Top