My 2010 International Durastar with Maxxforce 7 has loss of power,blowing black smoke,and either fuel or coolant getting in oil I’m thinking coolant cause I’m losing coolant and have no leaks no engine lights are on.an anyone tell me what to look for as problem? just did an egr cooler change haven’t test drove it yet but if that’s not the problem don’t know what to do
Maxxforce 7 engine issues
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Hr8tage, Aug 27, 2019.