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It fixed the issue for some people who had a biased or incorrectly mounted evaporator temperature sensor, but apparently there’s more than one factor contributing to the freeze up condition.

There is no Ford warranty that covers any of the modifications to these vehicles or the resulting damage to factory systems and components; that includes Shelby, Roush, Hennessey, etc. None of these companies are “certified by Ford”, they’re just authorized as a ship-through to the dealer. Some...

You’re not going to learn much from a bunch of non-technical people speculating about issues that haven’t occurred on systems they don’t have even a basic understanding of. There are no “known” VCT issues with the 5.2 S/C. FB groups are a disease. They’re cesspools of the same modification...

Any mods? Start with an adaptive transmission reset. The transmission learns driving behavior, which can result in some undesirable characteristics over time, especially on used vehicles with new owners. You’ll just need ForScan and a compatible OBD adapter like OBDLink.

Possible evaporator freeze up. The previous service bulletin for evaporator replacement was pulled because it wasn’t fixing the root cause. A new service bulletin will most likely be released at some point.

Those DTCs indicate a corrupt PCM, which can be caused by the aftermarket calibration, low voltage to the PCM or high resistance in a PCM ground, or electromagnetic interference. Start with inspecting the spark plugs, boots, wires, and coils. A failing ignition coil can generate enough EMI to...

A bricked PCM? :think: PCMs are generally not compatible across models. I would recommend ordering the correct module from one of the online Ford vendors that ship internationally, like Tasca Ford. The wiring should be inspected before ordering a PCM, what are the symptoms and DTCs?

I’ll keep an eye out and update the thread when the bulletin is published.

Motorcraft filter is fine, stick with that. So you verified the level after changing the oil, but have you checked it since then? 2017 models have a service bulletin for excessive oil consumption through the PCV system; when the oil level gets low, the DTCs you posted will set. Those parts may...

If the oil was changed every 5k miles with a high quality filter and semi or full synthetic oil then it is extremely unlikely there is sludge buildup in the engine. DTCs P0345, P0349, P0365, P0369, are all indicative of the PCM intermittently losing control of camshaft timing on both banks...

As Smurf said, this has been gone over many times, and it’s not going to happen for a multitude of reasons, nor should it happen. The biggest one being that a 5.0 would be a complete pig in a Raptor, never mind a version that makes all its power high in the rev range. There are significant...

Start by inspecting the FPDM. It’s located on a frame crossmember toward the rear of the truck. Due to its location, it’s exposed to moisture, corrosion, dirt, debris, etc. Check the module itself as well as the harness and connector.

Nope nothing yet, but I’d expect a new TSB in the near future.

Not directly, because the air flows through the evaporator before the heater core. However, if the system is on recirculate, the air being drawn across the evaporator will at least have less moisture in it.

Fuse F27 does not directly power the fuel pump; it provides power to the control side of the fuel pump relay and to the Fuel Pump Driver Module. A shorted fuel pump should not open F27; it should set a DTC in the PCM. Don’t just throw a fuel pump at it without a diagnosis; the issue is likely a...

FDRS is going to want to configure the vehicle the same way it left the factory; I’m not seeing how it would allow programming of modules that the truck didn’t come equipped with. That may be the reason he’s encountering the prompt.

Sounds like you have a couple issues going on here that are both related to the modifications. P061B sets when the PCM detects an internal torque calculation error, which is most likely attributed to the tune being set up for stock tire size, but may also be an issue with the tune itself. The...

The brakes should never “lock up”, these trucks are equipped with ABS. Start with an HCU bleed and full system brake fluid flush. Also make sure the shop installed the calipers correctly with the bleeders up. If they calipers are swapped between sides you’ll never get the air out.

Not sure if it’s the same concern, but this service message was published for trucks built 10/1/22 or later. SSM 51827 2022-2023 F-150 And 2023 Expedition/Navigator - 3.5L GTDI Engine - Reduced Engine Power On Start Up, DTC P2101 In The PCM - Built On Or After 01-Oct-2022 Some 2022-2023...

You’re banging it off of the rev limiter; the engine speed it limited to 4K RPM in neutral. The noise you’re hearing is the PCM cutting spark to the engine to prevent over speed, which results in raw fuel combusting in the exhaust. That can cause catalytic converter damage; raw fuel causes them...

No, they removed the TSB because replacing the evaporator housing wasn’t an effective repair in most cases. The system is efficient enough that the evaporator can reach freezing temperatures even during normal operation, and under certain conditions the EVAP temp sensor is not reactive or...

That is not factory…it looks like someone sprayed undercoating all over your exhaust.

That’s normal operation of the charging system. It reduces charging voltage under load and then increases it when coasting. The strategy reduces parasitic drag, which improves fuel economy and engine performance. If there is an actual charging system issue then there will be a warning...

You can jump (fused) power and ground directly to the coil to see if it engages. If you don’t hear anything that confirms the clutch is failed. Removal of the clutch unfortunately requires the compressor be removed from the vehicle.

The worst thing you can to is “tap” factory harnesses. Run a dedicated circuit and use the upfitter switches if you must install aftermarket electronics.