O2 sensor question
Registered User
Joined: Feb 2004
Posts: 193
Likes: 0
From: Michigan
I had the same problem, code 43 at a steady rpm while cruising, usually between 60 and 80mph. Changed the O2, no more code, and my mpg went up by about 50 miles per tankful...the old O2 was just loaded with black soot...
