jl464
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Mack Granite Fault code 1-4
in Engine and Transmission
Posted
I have a 2006 Mack Granite with 400hp. Recently the lightning bolt came up on the dash and the code that comes up is 1-4 which is the ambient air temperature sensor but the truck is not equipped with the sensor. Ever since the bolt has come up the truck is cutting power on freeway when going uphill.What do you guys think is wrong?