The Trainer #67 - When Fuel Trims Won't Trim
21:44
The Trainer #65: Fuel Trim Explained - What It Is , How It Works, And What It Can Tell You
1:07:25
Fuel Trims—Testing & Diagnosing Rich and Lean Conditions (P0171, P0172, P0174, P0175)
18:18
The Trainer #68 - Troubleshooting P0420/0430 DTCs (Catalyst Efficiency Below Threshold)
1:18:30
Fuel Trims—The Wideband Air/Fuel Ratio Sensor, Operation and Diagnostics (A/F, AFR, UEGO)
25:41
The Trainer #70 - EVAP Testing Tips
47:30
Fuel Trims – Where to Begin your Diagnosis For Rich or Lean (p0171, P0172, P0174, P0175)
12:20
Using Fuel Trim to identify type of misfire (can it be done?)
13:18