Exhaust leaks, cracked piping, failed gaskets, damaged sensors. We repair the system back to OEM seal and flow so the truck runs the way it's supposed to and the emissions side doesn't go into derate. Services: exhaust pipe replacement and welding, muffler repair and replacement, DOC (diesel oxidation catalyst) inspection and replacement, exhaust manifold repair and gasket replacement, and sensor inspection (temp, pressure, NOx).
Modern diesel emissions don't tolerate sloppy work — a missed leak or wrong sensor brings down everything downstream. We follow the OEM diagnostic procedure, document every code, and tell you which component failed and which is just along for the ride.
30 years on Class 4-8 diesel. ASE Master Medium/Heavy Truck Technician. The mobile rig carries what's needed to finish most repairs in one visit instead of two. Service area: Tri-Cities (Kennewick, Pasco, Richland, West Richland), Yakima Valley, Walla Walla / College Place, Moses Lake, and Hermiston / Umatilla / Pendleton (OR). I-82, I-84, I-182, and US-12 corridors. Call (541) 310-0257 to schedule.
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