Diagnosing Camry P2196,P2238 A/F sensor codes PART1

Home mechanic diagnosing a 2005 Camry with idle and surging issues but no check engine light that 2 shops couldn't resolve. I also cover strategies for finding direction in a diagnosis when you aren't sure where to begin and you have no clues. The air/fuel sensor diagnosis and understanding video is here:    • Air/Fuel Wideband vs Oxygen Sensors (O2 se...   Also visit Schrodingers Box Quantum Mekanix here:    / @schrodingersboxquantummeka2008   Part 2 is Here:    • Diagnosing Camry P2196,P2238 A/F sensor co...