Continuing fuel problems 05 Z21 225 Etec Continuing fuel problems 05 Z21 225 Etec
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    Continuing fuel problems 05 Z21 225 Etec
from Buzz  
7/22/2012 10:38:56 AM


 Year Two of fuel issues. Engine loses siphon, bulb goes flat, engine dies, then I have to pump the daylights out of the bulb. 3 trips to Warner Dock (a good Evinrude shop), I replaced the bulb. Replaced fuel filter. I removed the seats and inspected the fuel lines and connections, no issues found.

The shop claims they measured fuel pressure from lift pump.

Fails while traveling at all speeds, full power, idling, fails 2-3 times in first 5-20 minutes of operation, then runs fine most of the day, with an occasional unexpected failure on some occasions.

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   Maybe from Les #11903 #11903  7/22/2012 11:35:29 AM
 Is the fuel tank sucking a vacume, i.e. is the gas cap venting. Mud dobbers may have packed vent with their mud.

   vent hose from Dwight #10907 #10907  7/22/2012 12:17:19 PM
 Do you have any trouble putting gas in the tank. If the vent hose has a low spot and can trap gas in the low spot it will cause this condition. Make sure it has positive drainage back to the tank so it doesn't cause a trap.

   Still no solution from Buzz  7/22/2012 2:41:20 PM
 I took the gas caps apart and inspected them, no clogs. When I first got the boat there was a kink in the filler lines, but was resolved. It is easy to fuel, no constrictions.

Would be any value to pressure test from the bulb to the engine (if the line was cracked-wouldn't see or smell fuel?)

   how about the possibility that from Randy B  7/22/2012 4:58:53 PM
 how about the possibility that somehow the fuel pickup in the tank has some obstruction that can move around? Sometimes, it blocks the fuel being lifted and sometimes it does not.

   I don't have a rude but from fishintechnician #13154 #13154  7/22/2012 6:54:53 PM
 I recently replaced my fuel lines, they were coming apart and clogging the fuel filter... When i looked at the filter there were small pieces of clear plastic stuck in it...My boat is an 05 also. I had a similar issue but my boat cut off at high speeds, each time the diaphragm in the fuel filter had failed... I'd recommend you replace all the fuel lines with an ethanol resistant line from the tank to the motor and replace the fuel filter at the same time.. If that solves the problem great if not, look at the fuel pump. On my Yamaha you can see the fuel filter... When I had issues with the fuel pumps, when you ran it hard you could see the gas getting sucked out on the fuel filter reservoir past he pointed needed to supply the engine.. Good luck

   isolate the problem from MikeF  7/23/2012 8:41:48 AM
 I would disconnect the fuel line going to the bulb, add a 5' piece of fuel line and put that line in a 5 gal portable fuel tank. See if you still have the problem.

   Back check from Dwight #10907 #10907  7/23/2012 2:21:56 PM
  Is there a back check ball in the pickup tube in the tank. Have heard that some have them and you can replace the tube with one that doesn't have one. I'd call Ranger and see if they used the tube with the back check ball. Hooking it to another tank would prove that it is or is not the tank and the line to the tank.

Edited 7/23/2012 2:24:14 PM

Edited 7/23/2012 2:28:04 PM

   I hear what you are saying Buzz but I would not put it past the fuel rails being clogged. from Wackoman  7/23/2012 4:04:21 PM

I know it sounds crazy but I have seen the ethanol do so crazy stuff with an outboard fuel system.

I would get past the getting there and look at the engine its self.

Edited 7/23/2012 4:04:51 PM

   fuel rails from Randy B  7/23/2012 10:36:24 PM
 I love you wack, but if the main clue is "flat primer bulb", it's hard to connect that to anything north of the fuel pump. :-)

   Fuel Issue from Jumping Jimmy #10638 #10638  7/26/2012 5:24:16 PM
 I had a Winner 880 with a 150 Rude that had the same issues. I pulled the fuel pickup out of the tank and a piece of varnish type stuff was caught in the screen in the tube. It acted like a butterfly valve as it would pivot open and closed. I would get warning horn for low fuel pressure.



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