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TAMD72A Black Smoke heavy load at 50%...

Discussion Forum at MarineEngine.com » Volvo Penta Diesel » Archive through October 03, 2007 » TAMD72A Black Smoke heavy load at 50% RPM « Previous Next »

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Damien Donnell
New member
Username: castaline_fisheries

Post Number: 1
Registered: 09-2007
Posted on Monday, September 10, 2007 - 08:40 pm:   Edit Post Delete Post View Post/Check IP

I have a problem with my tamd 72a after a long extensive overhaul of almost everything i am still getting major amounts of black smoke at 1300 rpm with a loss of power bigtime.
Full rpms with no load and when i move the boat it runs like a dream untill 1300rpm, when i can hear the turbo appear to drop rpms and then full load comes on the engine resulting in lots of black smoke(unburned diesel).I took the injectors and injection pump to bosch,and replaced with new the entire fuel in and out, the timing is perfect, and i cleaned the charge air coolers too.
Is it possible for the fins to collapse in the coolers and if so does anyone know how to stop this

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