I live in the San Francisco Bay Area at about 300ft elevation. I am not aware that we get seasonal blends.
I did change both AI check valves when I had the failure in 2002. I'm sure I found aftermarket check valves at Rockauto or the like. It's been 20 more years now. I suppose I should...
I thought I would post up my smog history in a new thread. I'll use this first post to share results from my biennial smog check results and update the table every two years. Recently I have been dreading the smog check because I had it in my head that I was borderline failing. Today I...