Modern diesel aftertreatment systems like the DPF and SCR are essential for reducing emissions and keeping diesel trucks compliant with Connecticut and federal standards. When these systems aren’t maintained—such as skipped regens, clogged filters, or excessive idling—your truck can lose power, enter derate mode, or trigger warning lights that disrupt your operations.

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Regular DPF cleaning, aftertreatment inspections, and preventative maintenance help prevent breakdowns and extend system life. International Fleet Services provides complete DPF and aftertreatment diagnostics and repair for fleets in West Hartford, Hartford County, and Greater Connecticut. If your truck loses power or enters derate mode, our team can assist on-site or in-shop to get you back on the road quickly.