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Check engine light and poor performance SPN 84
Posted to HD/Fleet Forum on 2/8/2018 7 Replies

This truck starts and runs fine until the check engine light comes on with a SPN 84 dtc. All power is lost until the light goes back off and the perfomance comes back to normal. I have little to go by except the code which seems clearly related to the conditio... Login to read more.

7 Replies Received (View Replies)

 

car Vehicle Data

2002 Sterling Truck Acterra 8500 M8500 7.2L

VIN 2FWBANAK32
Engine7.2 L

car Vehicle Data

2002 Sterling Truck Acterra 8500 M8500 7.2L

VIN 2FWBANAK32
Engine7.2 L