Ron Ananian The Car Doctor

Episode Summary: Ron Ananian – The Car Doctor Car Repair is Getting Tougher:Ron emphasizes that modern car repair requires constant learning. Vehicles are more complex, and assumptions can lead to misdiagnosis. Case Study – 2015 Toyota Tacoma, Crank No-Start: Towed into the shop with a crank-no-start issue. Suspected fuel pump failure. Two options to access it: Drop the rusted fuel tank (difficult due to NJ winters and corrosion) Remove the truck bed instead — easier and safer Diagnosed fuel system with wiring diagrams and voltage checks. Found ~10.8V at the fuel pump resistor — enough to power the pump. Checked for ground and continuity — both were good. Considered immobilizer as a cause (Toyota uses fuel cut in anti-theft and overheating situations). Scan Tool Confusion: Snap-On scan tool incorrectly reported a fuel cut. Opus scan tool and factory Toyota software showed no fuel cut. Lesson: Don’t rely on one scan tool — use multiple t