Give the motor time to break in. Is this you first diesel? this trucks need to be worked. I average 15 to 16 period and I have 71000 on mine. my last diesel averaged 12 to 14 and I put 185000 on that one.
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06 3/4 4x4, Stage 3 ATS tranny w/ five star convertor, auto meter phantom II,aurora 3000, 3% tint all around black beauty, AFE stage II, Smarty TNT, air dog 100, camo seat covers, kicks ystem, 18's moto metal ,33x12.50 baja atz