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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
731 running horrible - fuel issue or time to rebuild?
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<blockquote data-quote="DigitalFusion" data-source="post: 54750" data-attributes="member: 2051"><p>Hey All,</p><p> My old and tired 731 with the 2 cyl Deutz F2L511 isnt running right at all. She will start right up, but wont seem to 'clear out'. What I mean by that is usually she would start up and run a bit rough for a minute at low RPMs with the throttle at full, then rev up and pur as best as a 2 cyl diesel can. Now she starts right up, but never gets to full throttle and is smoking a lot. Its not dark, black smoke, its white. Every once in a while there is a loud pop from the exhaust. If it wasnt for the smoke, I'd say it was a fuel issue, either delivery or quality (water in fuel?). However, since she is smoking so much, Im kinda leaning towards a mechanical issue, namely rings on at least one of the pistons. </p><p> Im posting here to see what you guys think I should check out before I pull the engine and ship her off to Mark @ ERI. This is what I plan to go out and try after I finish my coffee and head outside:</p><ul> <li data-xf-list-type="ul">check all the fuel lines/connections</li> <li data-xf-list-type="ul">toss in fresh fuel with some HEET</li> <li data-xf-list-type="ul">compression test (how?? pull injectors?)</li> <li data-xf-list-type="ul">ask it nicely to start running long enough for me to finish cleaning up from our house fire, then she can get a full overhaul.</li> </ul><p></p><p> </p><p> </p><p> </p><p> Water in the fuel somehow? Fuel pump/Fuel filter?</p></blockquote><p></p>
[QUOTE="DigitalFusion, post: 54750, member: 2051"] Hey All, My old and tired 731 with the 2 cyl Deutz F2L511 isnt running right at all. She will start right up, but wont seem to 'clear out'. What I mean by that is usually she would start up and run a bit rough for a minute at low RPMs with the throttle at full, then rev up and pur as best as a 2 cyl diesel can. Now she starts right up, but never gets to full throttle and is smoking a lot. Its not dark, black smoke, its white. Every once in a while there is a loud pop from the exhaust. If it wasnt for the smoke, I'd say it was a fuel issue, either delivery or quality (water in fuel?). However, since she is smoking so much, Im kinda leaning towards a mechanical issue, namely rings on at least one of the pistons. Im posting here to see what you guys think I should check out before I pull the engine and ship her off to Mark @ ERI. This is what I plan to go out and try after I finish my coffee and head outside: [LIST] [*]check all the fuel lines/connections [*]toss in fresh fuel with some HEET [*]compression test (how?? pull injectors?) [*]ask it nicely to start running long enough for me to finish cleaning up from our house fire, then she can get a full overhaul. [/LIST] Water in the fuel somehow? Fuel pump/Fuel filter? [/QUOTE]
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731 running horrible - fuel issue or time to rebuild?
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