Quote:
Originally Posted by dcarrb
You probably should run 91 octane for the emissions test, but not because it burns more thoroughly or produces more power. It doesn't.
Can you just take the car to another testing station and get a "second opinion?"
dcb
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Yes, I can go to another station, but it was so close to passing I thought I might as well just try this station again as the retest is free there. If it fails again I will definitely go somewhere else.
Why put 91 in it if it doesn't burn better or produce more power? Why not 93?
And I had 91 in it the first time.