Posted By: crankingupbass
97 150 Evinrude Intruder issues - 05/23/16 01:05 PM
Starting having issues last week. First I got the check engine alarm, which indicates a fuel restriction.
Replaced the anti siphon valve with a straight through barb. Replaced the fuel filter (had to use in line type)and blew out the fuel lines which where replace in 2012.Started it up idle good for 10 Min or so. Then the no oil alarm light and alarm goes off. Before buying a new pump, I checked engine compression and all other obvious things it all checked out. Replaced VRO pump, took it out idles great jumps out the hole no alarms. But now it will only run wide open for about 30 seconds then starts surge. I can bring throttle back to 4K Rpm smooth's out run's great. I did that back and forth for over an hour yesterday.. Even soaked all carps with sea foam and new plugs... same thing.
Still sounds like a fuel/air problem but where is the question?
Any help would be appreciated...
Replaced the anti siphon valve with a straight through barb. Replaced the fuel filter (had to use in line type)and blew out the fuel lines which where replace in 2012.Started it up idle good for 10 Min or so. Then the no oil alarm light and alarm goes off. Before buying a new pump, I checked engine compression and all other obvious things it all checked out. Replaced VRO pump, took it out idles great jumps out the hole no alarms. But now it will only run wide open for about 30 seconds then starts surge. I can bring throttle back to 4K Rpm smooth's out run's great. I did that back and forth for over an hour yesterday.. Even soaked all carps with sea foam and new plugs... same thing.
Still sounds like a fuel/air problem but where is the question?
Any help would be appreciated...