wtesta Posted September 21, 2010 Share Posted September 21, 2010 I can not tell if the engine is blown or what or the injectors are gone my truck has had many problems for it's year 2008 my company has to sister truck's both mack same year model.the funny thing is it is not throwing any codes it is just acting funny. Quote Link to comment Share on other sites More sharing options...
Mackpro Posted September 21, 2010 Share Posted September 21, 2010 I can not tell if the engine is blown or what or the injectors are gone my truck has had many problems for it's year 2008 my company has to sister truck's both mack same year model.the funny thing is it is not throwing any codes it is just acting funny.It does it have a MP engine? If so, it might be low fuel pressure due to blown injector cups. There is finally a fix for this as we have been putting in the new stainless steel cup's and new style injectors. Is the truck model a CV713 or a GU713? Quote Link to comment Share on other sites More sharing options...
wtesta Posted September 21, 2010 Author Share Posted September 21, 2010 (edited) It does it have a MP engine? If so, it might be low fuel pressure due to blown injector cups. There is finally a fix for this as we have been putting in the new stainless steel cup's and new style injectors. Is the truck model a CV713 or a GU713?i will find out because my father drives the truck for a company all that i know is that it is a granite and that is the only info that i know at this time i think it is a MP series VMAC IV Edited September 21, 2010 by wtesta Quote Link to comment Share on other sites More sharing options...
wtesta Posted September 23, 2010 Author Share Posted September 23, 2010 It does it have a MP engine? If so, it might be low fuel pressure due to blown injector cups. There is finally a fix for this as we have been putting in the new stainless steel cup's and new style injectors. Is the truck model a CV713 or a GU713? I guess it is one of those model well I have no clue Quote Link to comment Share on other sites More sharing options...
rhasler Posted September 23, 2010 Share Posted September 23, 2010 I guess it is one of those model well I have no clueWhat color is the engine? If it is gray it is an ASET engine, if it is Red it is an MP engine. Quote "Mebbe I'm too ugly and stupid to give up!" Link to comment Share on other sites More sharing options...
wtesta Posted September 23, 2010 Author Share Posted September 23, 2010 What color is the engine? If it is gray it is an ASET engine, if it is Red it is an MP engine.I will find out from the driver and i will get back to you with the color of the engine Quote Link to comment Share on other sites More sharing options...
wtesta Posted September 24, 2010 Author Share Posted September 24, 2010 It does it have a MP engine? If so, it might be low fuel pressure due to blown injector cups. There is finally a fix for this as we have been putting in the new stainless steel cup's and new style injectors. Is the truck model a CV713 or a GU713?It is a gu713 because i looked up the same kind of truck on truckpaper.com .I think it has the MP series engine Quote Link to comment Share on other sites More sharing options...
wtesta Posted September 27, 2010 Author Share Posted September 27, 2010 What color is the engine? If it is gray it is an ASET engine, if it is Red it is an MP engine.Found the problem it was a defective cam in the engine Quote Link to comment Share on other sites More sharing options...
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