|
Re: Replaced Upstream O2 sensor and still failed smog
The NOX was high,check EGR funtional?[...] a new Catalystic converter should take care the NOX and HC. Login to read more. 
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle |
Video