279 Error Code For Interstate Tractor Tractor Models
There are 2 kind of error description.
Injection Control Valve current is out of range
Injection Control Valve current is out of range (engine controller pin A7)(open or short)
If Inadequate air flow is problematic, so clogged air filters, evaporator core air flow restricted, faulty blower fan motors, defective blower switch or faulty wiring or loose connections.