Does different octane fuel affect the CO?
Does different octane fuel affect the CO?
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danny hoffman

Original Poster:

1,617 posts

286 months

Saturday 22nd February 2003
quotequote all
Just wondered if a lower octane fuel would affect the CO? Mine was a bit high at MOT time and I had last filled with Optimax (98 RON). Would filling with 95 RON have got me through if the tester wasn't so sympathetic? Any one with a CO tester done back to back checks with different fuels?

Danny