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CATEGORY LISTINGS > CUMMINS > Cummins V8 555 idles rough [ REFRESH ]
Thread Title:

Cummins V8 555 idles rough


Created On Tuesday August 04, 2009 07:36 Diesel Talk
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Gimli
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Joined: Aug 2009

Note Tuesday August 04, 2009 07:36 View thread in raw text format
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I Have a 555 V8 Cummins that has a fuel issue. The engine idles for 10 minutes and then starts to idle rough and eventually wont idle at all. If you give it throttle, the engine runs good at a high idle. We took the fuel filter off a few times to check it for fuel and water and discovered the filter was only half full. Is this the right amount of fuel in the filter? Where should we look to solve this problem? Somebody Please advise. thanks!
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JoeZ
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Note Tuesday August 04, 2009 16:43 View thread in raw text format
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Wow......the old triple nickel.....didn't know there were any still running. The fuel filter should be full. You are probably drawing air someplace or there is a restriction in the lines. Start at the filter and go backwards toward the tank. I would take the line off at the fuel filter and the tank. Blow air toward the tank to see if there is something in the lines. You also have to check the draw tube if there is one. Then you could pressurize the lines and start looking for a leak. That's a start.

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One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.
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westcoast
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Note Wednesday August 05, 2009 05:07 View users profile View thread in raw text format
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We call them trouble fives !!!! Regards David

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detroit
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