Diagnosing O2 Sensors

On this episode of Fear No Fix, Chris and Jordan break down how to diagnose O2 Sensor issues. If you need to read codes or live data to help diagnose your issue, BlueDriver can help! Get the #1 Scan Tool on Amazon here: Amazon.com: https://www.amazon.com/gp/product/B00... Amazon.ca: https://www.amazon.ca/gp/product/B006... Top DTCs (Diagnostic Trouble Codes) associated with O2 Sensors: • Heater Control Circuit - P0030, P0031, P0032, P0036, P0037, P0038 • Heater Resistance - P0053, P0054 • O2 Sensor Circuit - P0133, P0139, P0140 • Sensor Heater Circuit - P0135, P0141 • System Too Lean - P0171 • System Too Rich - P0172 • Catalyst System Efficiency - P0420 Top symptoms associated with O2 Sensors: • Check Engine Light • Reduced Fuel Economy • Reduced Engine Performance • Rough Idle • Exhaust Odor • Black Exhaust Smoke • Failed Emission Test • Engine Misfire • Engine Over Heating • Catalytic Converter Damage Video Sections: Intro: (0:00) Visual Inspections (1:51) Testing Heater Circuit (4:10) Live Data on Older Sensors (7:28) Introducing a Lean Condition (10:44) Live Data on Newer Sensors (12:00) Replacing O2 Sensors (14:36) Outro (18:02)