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Thread: 15 2.7L ecoboost

  1. #1
    Potential Tuner
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    Mar 2023
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    canada
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    15 2.7L ecoboost

    Looking for help with a old f150 with the 2.7L for a friend.

    They use it on a farm/hunting property, long story short the cats were stolen off the truck on two separate occasions and they didn't want to put a third set on.

    The truck ran like junk obviously because they didn't do anything other than put pipes in place of the cats.

    I turned off the rear 02's, FAOSC and No report for the rear o2 codes.

    The truck still runs like junk.

    the fuel source stays in cold eng./ startup I'm not sure if this is part of the problem.... ?orginal 15 F150 2.7L no cats 3.hptlog 1.hpl

  2. #2

  3. #3
    Tuner in Training
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    Mar 2023
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    Take and drill sensor holes in the pipe and install new sensors, should be 2 each side.

  4. #4
    Potential Tuner
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    Mar 2023
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    I'll give that a try, was trying to keep it cheap bit it's definitely cheaper than replacing the cats haha.

  5. #5
    Tuner in Training
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    Jan 2021
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    38
    Sounds like your PCM is never coming out of open-loop operation because it never sees acceptable conditions

  6. #6
    Tuner in Training
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    Mar 2023
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    Ford F-150 O2 Sensor Eliminator MAGNUM EZ CEL FIX Oxygen Sensor Simulator You need something like this on all the sensor plugs.

  7. #7
    Tuner in Training
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    Mar 2023
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    O2 SIMULATOR CEL FIX
    Designed For High Performance Modified Catless Exhausts...
    Turbo and Non-Turbo Engines