Fuel maps? 2011 to 2013 9c3 ppv 87 vs 91 octane?

Discussion on fuel delivery & intake/exhaust tech & mods.
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Jeff 9c3
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Joined: Thu Jun 25, 2020 7:24 am

Fuel maps? 2011 to 2013 9c3 ppv 87 vs 91 octane?

Post by Jeff 9c3 »

Hi ,
I run 90 , 91 non e octane fuel in my vechiels.
So I'll ask do the ecu's in the caprice 6.0 2011 / 2013 carry multiple fuel maps for different types of fuel?
If so how many tanks does it take to reset?
In my chevy 2012 / 14 cruze's it takes 3 tanks and they cover 87 to 94 octane fuel.
Thanks for any input.
2012 caprice ppv 9c3 . 135k & climbing daily.
Pursuit
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Re: Fuel maps? 2011 to 2013 9c3 ppv 87 vs 91 octane?

Post by Pursuit »

These cars will run on E85 through what ever is available at the pump. There is a fuel monitor that adjusts for the type of fuel on the fly. It samples the fuel just before the injector system. The timing advance tables are also adjusted accordingly.

Maurice
Maurice Sheil

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2011 Caprice Phantom Black 9C3
2012 Impala 9C1
1995 9C1 Caprice
1996 GMC Sierra C1500
1996 Chevrolet K2500 Extended Cab, long box, 454, 91,000 rust free miles
1974 SJ Grand Prix 455 well optioned with factory moon roof
Jeff 9c3
Posts: 12
Joined: Thu Jun 25, 2020 7:24 am

Re: Fuel maps? 2011 to 2013 9c3 ppv 87 vs 91 octane?

Post by Jeff 9c3 »

That's awesome. no e85 in ny unfortunately that I'm aware of. Thanks.
2012 caprice ppv 9c3 . 135k & climbing daily.
Hybridc24k
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Joined: Tue Oct 19, 2021 11:06 pm

Re: Fuel maps? 2011 to 2013 9c3 ppv 87 vs 91 octane?

Post by Hybridc24k »

Oh. That would explain why every time I fill up my range would change. E85 vs 87, 89, or 91. I wondered if it would be able to adapt so quickly to the different fuels and I guess it can.
2014 Chevy Caprice PPV 6.0L
2022 Audi Q7 3.0T
2022 Chevy Tahoe RST Duramax
2005 Ford Ranger
1998 GMC Safari
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