Oct 25, 2022 | A/F Sensors, Knowledge Base
CONDITION: A vehicle owner living in Portland, Oregon performs a DIY maintenance on his 4 cylinder Camry, including spark plugs and universal oxygen sensors. After the repair the check engine light was illuminated. The vehicle was then driven to a professional repair...
Oct 25, 2022 | A/F Sensors, Knowledge Base
CONDITION: Client complains check engine light on, rough idle and engine idle surging between 500 and 800 RPM. Technician retrieved Diagnostic Trouble Code (DTC) P0171 & P0174 (System too lean banks 1 & 2). Technician replaced the air fuel sensors on both...
Oct 24, 2022 | A/F Sensors, Knowledge Base, Oxygen Sensors
System Diagnosis Proper vehicle diagnosis requires a plan before you start Following a set procedure to base your troubleshooting on will help you find the root cause of a problem and prevent unnecessary repeat repairs. STEP ONE: Understand the Customer’s Concern...
