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  1. Anyone know what small battery under rear seat is for?

    Does anyone know if the isolator on these falls to open or closed if there is no power being fed to it? I'm wondering if I need to worry about this "aux" battery as well if the truck's main battery gets discharged beyond safe limits/etc, i.e. with all of the folks with phantom drain I'm...
  2. Has anyone experienced a misfire?

    Dealer still has the truck at this point. I'm thinking it's probably a faulty coil pack that just took time to show up.
  3. Stock PowerBoost or tuned 3.5 EcoBoost for HP and Torque?

    I wonder what the ROI would be when you count in the food you have to consume to stay fit for riding ?
  4. TSB 21-2131 - 3.5L PowerBoost - Illuminated MIL With DTCs P0300, P0301-P0306, P0316, P050E, P1674, P0454 And/Or P2451 In The PCM

    Has anyone actually experienced the symptoms of this TSB/had this TSB/had this fixed by the dealership? I'm not sure if the TSB is to fix the actual misfire, or if it's because the ECM software is too sensitive or something. My local service advisor said the tech "applied the latest software...
  5. Has anyone experienced a misfire?

    Currently stranded on the side of the road because the truck keeps throwing a P0306. Has anyone experienced a misfire like this? Truck has ~5000 miles and was built 07/21 according to the door jamb.
  6. Drive Modes question

    As the other posters have stated, 4H is fine at speed. The only thing to make sure of is the fact that you did not make any turns on pavement/grippy surfaces when in 4H, as this causes your drivetrain to bind. Generally when this happens you'll feel/hear your tires skipping and hopping as they...
  7. How Do I Stop All The Automated Lighting?

    What you're describing is the "Approach Lighting" feature which can be disabled through the Settings menu. I turned mine off (in conjunction with my power running boards) because it was annoying to have the power running boards/lights deploy any time I walked near the truck.
  8. What grade fuel for PowerBoost?

    It's also the ridiculous amount of tax added to every gallon of gas sold.
  9. PowerBoost rough charging idle.

    I should probably also tack on that it only stumbles when the engine is not up to operating temp. When the engine is warm, I don't get any stumbling. To be honest, most direct injected vehicles I've driven have a sort of "rough idle" very similar to mine. I don't really mind it as long as it's...
  10. PowerBoost rough charging idle.

    I have had Eco Idle enabled on mine for a while now, but mine still stumbles when sitting at lights/etc. in drive. Eco Idle certainly helps when the truck is in park to prevent the stumble though.
  11. Door Chime sounds old school

    My truck recently did this. I noticed it happened when I opened the doors very quickly after unlocking it -- I don't have the approach lights on anymore so theoretically the truck should be "off" until I actually start it. Interestingly, when I started the truck and started driving down the...
  12. 3.5 PowerBoost engine wear prevention procedures?

    Your description of the sound is a bit vague, so I'm guessing you're talking about the whirring/high pitch whistle? I've come to assume that noise is the electric motor/powertrain. The electric motor is pretty much always spinning as long as the transmission is in gear and the vehicle is moving.
  13. Lag then Quick Acceleration from electric to gas?

    I wonder if this is actually intended behavior, i.e. start the engine and allow it to run a little before putting a large load on it to prevent unintentional wear. I definitely notice this as well, in normal mode, 1st gear always seems pretty dull and is when the ICE starts, but as soon as it...
  14. Door Panel Rattle

    It's not my triangle piece or screw/bolt, I've gone as far as pulling that triangle piece off and driving around. I made sure the screw is tight as well. I'm hearing the clicking from the general "center" area of the door panel, and can more or less cause clicking that sounds similar if i start...
  15. Disappointed in B&O Unleashed

    Are any of you guys getting rattling from your front door primary woofers above certain volume levels? I get an obnoxious rattle from my passenger speaker when playing Lake Nivu - Jerro at 2:39 and onwards with volume level 18+ I can also hear it from the drivers speaker at lower volumes. Not...
  16. Door Panel Rattle

    Did you ever find the source of your rattle? I'm noticing a rattle, or rather, a "clicking" that seems to be coming from that general vicinity but on my passenger door. I think it might actually be the plastic within the door panel rubbing/clicking with each other. Annoying, and took like 500...
  17. 3.5 PowerBoost engine wear prevention procedures?

    I actually have the theory that the traditional starter is retained for the purposes of allowing jump starting of the truck, in the event that both the 12V and hybrid battery packs are dead. Does anyone know if the BISG (Belt starter) runs off of 12 volts or a higher, closer to pack voltage...
  18. 3.5 PowerBoost engine wear prevention procedures?

    That's interesting, but the animation gives me anxiety haha. So much so that I've replaced that gauge on my cluster w/ the transmission temperature. That's really interesting. I wonder if the OBD2 gauge is actually accurate and/or how they're able to keep oil pressure up without having the...
  19. 3.5 PowerBoost engine wear prevention procedures?

    I'm new to the world of Ford Hybrid powertrains; that being said, I'm dangerous with the knowledge I can gain via Google. One thing I've been wondering about with the hybrid electric powertrain on the F-150 3.5 Powerboost is how Ford engineers are attempting to minimize wear from the constant...
  20. What is the actual value of pre-paid service and extended warranty?

    If purchasing a Ford ESP Maintenance plan, if you opt for the "smaller" intervals i.e. 5000 or 7500, does that mean you'll get an oil change every 5000/7500 miles you take it in? Or is the dealer going to try to hold strong to the 10,000 mile OCI spec'ed in the manual?


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