Carthage Auto Repair

Why Is My Freightliner Smoking? This can be caused by multiple things. One simple reason that this could happen is a plugged air filter. A plugged air filter would not allow the engine to get enough air for fuel that is injected into the cylinder. On a late model Freightliner Truck with a DPF & SCR system on the truck you won’t see the black smoke. What you will notice is that your Freightliner Truck will be doing more Regeneration Events. Therefore, Maintenance on your Freightliner is important. Air and Fuel Filters need to be replaced on scheduled maintenance times so that these filters don’t get a chance to cause an issue. If your Freightliner Truck is in a Derate Mode, you need Detroit Diagnostic Link to be able to fix the problem correctly. We have the Detroit Engine Software to be able to Diagnose Your Check Engine Light. If you have a late Model Freightliner truck and can see smoke coming from the stacks, it’s possible that you have a cracked DPF Filter. We ... read more

Why Is My Peterbilt Losing Power? This is a great question many things come into play of Why Is My Peterbilt Losing Power. Two simple reasons could be plugged Fuel Filter or a plugged Air Filter. If you have restriction gauges installed in your Peterbilt or Kenworth that is simple enough to see if they are restricted. Another Possibility on later model Peterbilt or Kenworth Trucks is that a sensor may be reading wrong, and it is in a Derate Mode where it’s cutting the power to the engine by 25% or more. This can be a little trickier to fix. If the CHECK ENGINE LIGHT IS ON, it will have a code set that will guide the technician in the general direction. This can take specialized software such as CUMMINS INSITE or DAVIE IV depending on whether you have a Cummins engine or Paccar engine in your Peterbilt or Kenworth. We have both CUMMINS INSITE and DAVIE IV software to use to find out Why Is My Peterbilt Losing Power. If it ends up needing a new Calibration File to fix your engine ... read more