Piston Slap: Decomposition of the Fuel Composition Sensor?

Longtime TTAC commentor rrhyne56 writes:

Flex Fuel. I see it more and more. From what I’ve heard, this mainly means the vehicle has a fuel system that alcohol wouldn’t eat up. (Mainly, yes. — SM)

So here’s my question: do the more recent models of these vehicles have the ability to sense what level of alcohol is in the fuel lines and adjust the engine accordingly, to make best advantage of whatever current gasoline/alcohol or alcohol/gasoline mixture is entering the engine? I watched a build on Mighty Car Mods where the Haltech engineer was tweaking just such a system.

I know, I know, I ought to just Google it. But I thought it might make for some lively discussion.

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Study Says: EV Drivers Coddled, Flex Fuel Cars Discriminated Against

So what is all this talk about flex fuel being shoved down our the throats of our cars, and EVs driving up Xanax sales due to rampant range anxiety? Bloomberg brings us astounding news:

“Public charging stations for electric autos outnumber outlets for alternative motor fuels by almost two to one, even though there are hundreds of times more flex- fuel vehicles than plug-in cars on U.S. roads. “

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Take A Chance On E(85)

You’ve heard the old joke about ham and eggs, right? The chicken is involved, and the pig is committed? Well, I’m going to give ethanol a shot for a while and report the details to all of you. I’m involved, and my Town Car is committed.

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Meanwhile, Back At The Farm: Ford Promises Flex-Fuel Bumper Crop

As TTAC readers well know: There is a huge E85 flex-fuel loophole in the new federal fuel economy CAFE standards. Ford will drive right through that barn door-sized hole.

By the end of this year, Ford wants to deliver 370,000 flex fuel vehicles, a number which they can trade against fuel oinkers. Let’s review: A flex-fuel vehicle is one that is capable of running on E-85. But it doesn’t have to. It can also run on straight gas. Or on any mixture of the two fuels. As long as it’s E85 capable, it counts at least for a Peppermint White Chocolate Mocha at the DC CAFE.

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  • Theflyersfan My dad had a 1998 C280 that was rock solid reliable until around 80,000 miles and then it wasn't. Corey might develop a slight right eyelid twitch right about now, but it started with a sunroof that leaked. And the water likely damaged some electric components because soon after the leaks developed, the sunroof stopped working. And then the electrical gremlins took hold. Displays that flickered at times, lights that sometimes decided illumination was for wimps so stayed home, and then the single wiper issue. That thing decided to eat motors. He loved that car but knew when to fold the hand. So he bought a lightly used, off lease E-class. Had that for less than two years before he was ready to leave it in South Philly, keys in the ignition, doors unlocked, and a "Take it please" sign on the windshield. He won't touch another Benz now.
  • Detlump A lot of people buy SUVs because they're easier to get in and out of. After decades of longer, lower, wider it was refreshing to have easier ingress/egress offered by an SUV.Ironically, the ease of getting in and out of my Highlander is very similar to my 56 Cadillac.
  • Redapple2 LP Michigan. Long straights. A long sweeper. 2 chicanes. 4 hard turns. Lenghts of each element are different but similar to LeMans.
  • Teddyc73 Doesn't matter, out of control Democrats will still do everything they can to force us to drive them.
  • Teddyc73 Look at that dreary lifeless color scheme. The dull grey and black wheels and trim is infecting the auto world like a disease. Americans are living in grey houses with grey interiors driving look a like boring grey cars with black interiors and working in grey buildings with grey interiors. America is turning into a living black and white movie.