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  1. Thread: Flex fuel

    by SaabV
    Replies
    197
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    125,315

    Well, the thread is called flex fuel, so I'd say...

    Well, the thread is called flex fuel, so I'd say it stayed on topic. Like I said though, that is how it works on other cars I have experience with... it looks like Ford uses a similar approach, but...
  2. Thread: Flex fuel

    by SaabV
    Replies
    197
    Views
    125,315

    Yes! A wideband or a narrowband will output a...

    Yes! A wideband or a narrowband will output a particular voltage based on its relationship to stoichiometric. That's the entire basis of how an O2 works! That's also the reason that O2 sensors are...
  3. Thread: Flex fuel

    by SaabV
    Replies
    197
    Views
    125,315

    You're still looking at it backwards. It is not...

    You're still looking at it backwards. It is not targeting a specific AFR because it doesn't know what is in the tank. It is targeting stoichiometric, or Lambda = 1. So in your example of refilling...
  4. Thread: Flex fuel

    by SaabV
    Replies
    197
    Views
    125,315

    You're looking at it backwards. Stoichiometric...

    You're looking at it backwards. Stoichiometric AFR is different depending on the fuel used. Fortunately, O2 sensors don't read AFR. Rather, their output is dependent on how far from stoichiometric...
  5. Thread: Flex fuel

    by SaabV
    Replies
    197
    Views
    125,315

    I'll admit to not being familiar with the tuning...

    I'll admit to not being familiar with the tuning limitations of the Ford PCMs, but in other vehicles where I have added flex fuel capabilities, I have used a stock flex fuel tune from a similar...
  6. Replies
    116
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    139,157

    Thank you.

    Thank you.
  7. Replies
    116
    Views
    139,157

    Thanks for the response Darryl. The injectors I...

    Thanks for the response Darryl. The injectors I was referring to are the Bosch 298 in the 13/14 GT500. Eric posted a screenshot with specs that look odd in the offset multiplier, implying that the...
  8. Replies
    116
    Views
    139,157

    Looks like this thread gets resurrected every now...

    Looks like this thread gets resurrected every now and then... my turn! Would like to ask that you check the injector offset multiplier provided for the 13/14 GT500 injectors above. It looks strange...
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