suv with cheak engine light on and i scand for [...] back with p0031,p0051,p0037,p0057 short to ground for all 4 o2 sensors and p2009,p0414 short to ground for intake manifold runner and air pump valve. are these grounds controld buy the ecm or do they go to a...

FIX posted 11/18/2012

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