CAn't figure out why this thing has problems with 4/5/6 cylinders-rear ,It has a factory split manifold with O2 sensors for 1,2,3 and a sensor for 3,4,5, The rear sensor is flatlining when using the scanner & graphing, while the front Sensor, looks good. E...

FIX posted 5/6/2025

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle