Around the Pittsburgh area,this time of the year,the fuel that is available is a "summer blend",I think it is oxygenated gas,added oxygen to the gas for a cleaner exhaust.I was just wondering,what is it going to do to my tune and the wide band readings.With added oxygen is it going to lean out everything?Will the wide band sensor read right?
If it's still an ethanol blend, it likely won't do much of anything. Like if it's still an E10 rated fuel.
Everything here is up to E10 with select places selling 88 octane E15 fuel. Then you have E0 91+ premium non oxy.
The wideband sensor will always read right, if the sensor is good. Depending on what fuel you tuned it on and what if anything changes with summer fuel, that would show up on the wideband error. Go for a drive and see if anything is different.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
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