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Cummins ISX

What Can Cause Excessive Fuel Consumption For A Semi-Truck?

There are various things that can affect a loss of Fuel Mileage on a Semi truck, some of them we will list below. With...

What are some symptoms of a bad Inlet NOx sensor?

Often NOx Sensor Problems are easy to spot. Sometimes even before the sensor catches them. this will be quickly noticed with symptoms such...

Cummins ISX Fault Code SPN: 5394 FMI: 5

After you have successfully retrieved the fault codes from the truck and you get Fault Code SPN: 5394 FMI: 5, make sure you follow...

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