| Advanced engine diagnosis | Warning, rough running, power loss, or unresolved symptom | AED 450 to 950 | Selected scan, data review, inspection, and relevant initial mechanical tests |
| Ignition misfire repair | Confirmed plugs, coils, or related ignition fault | AED 2,500 to 7,500 | Varies with cylinder count, failed parts, access, testing, and approved parts |
| Cooling-system repair | Confirmed thermostat, pump, radiator, hose, or leakage concern | AED 3,500 to 9,500 | Fault-dependent parts, coolant, labor, bleeding, pressure check, and temperature test |
| Engine oil-leak repair | Accessible gasket or seal fault without major internal damage | AED 2,800 to 7,500 | Cleaning, access, sealing parts, fluids as needed, labor, and leak recheck |
| Turbocharger-related repair | Confirmed turbo, control, line, or related oil-system fault | AED 12,000 to 25,000 | Depends on repairable components, unit choice, paired work, lines, fluids, and calibration |
| Major engine rebuild | Verified internal wear or damage requiring teardown | AED 45,000 to 85,000+ | Dismantling, measurement, machining needs, internal parts, reassembly, fluids, and testing |