Diesel Field Technician

Reliable field diesel mechanic with two years of hands on experience performing on-site diagnostics, maintenance, and repairs on diesel engines and related systems for trucks, generators, and heavy equipment. Focused on minimizing downtime, ensuring safety, and delivering clear customer communication. Job Description Key Responsibilities Perform preventative maintenance and inspections: oil/filter changes, coolant service, fuel filter replacement, belts, and hoses. Diagnose and repair diesel engine problems: turbochargers, fuel injection systems (injectors, pumps, common-rail components), valve adjustments, and compression issues. Troubleshoot and repair diesel-related systems: cooling, intake/exhaust, turbo, transmission interfaces, brakes, and driveline components. Work with emissions and aftertreatment systems: DPF cleaning/diagnosis, DEF system checks, and basic ECM fault code interpretation. Use diagnostic tools and test equipment: multimeter, fuel pressure gauges, compression testers, OBD/diagnostic scanners, and handheld code readers. Perform roadside and on-site repairs: parts replacement, hose/fitting repair, basic welding, and emergency breakdown recovery. Complete service reports, parts usage logs, and communicate repair status, cost/time estimates, and safety concerns to dispatch and customers. Follow safety protocols (PPE, lockout/tagout) and proper handling/disposal of diesel fuel, oils, and hazardous materials. Technical Skills & Tools Diesel engine repair (light to medium/heavy duty) Fuel injection systems (mechanical and electronic/common rail) Turbocharger maintenance and diagnosis Basic emissions aftertreatment knowledge (DPF, DEF) Electrical troubleshooting (12V–24V), sensor and starter/alternator service Use of diagnostic scanners, multimeter, compression tester, fuel pressure gauge, hand and power tools Basic welding and fabrication, hose/fitting replacement #J-18808-Ljbffr Tall City Diesel Services LLC