× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 1985 Subaru failing OR BAR31 test for high NOx
Posted to Emissions Forum on 4/22/1999 1 Reply

Hi Jim

it is not sufficient to just check for good o2

sensor switching,the mean switching point should

be approx [...] had several cars recently

where the o2 sensor was switching correctly but

the mean switching point was approx [...]

was sending a... Login to read more.

1 Replies Received (View Replies)