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Can a 2006 Ford F-150 5.4l engine be put in 2005 ford expedition with 5.4?

Yes, a 5.4L engine from a 2006 Ford F-150 should be a relatively straightforward swap into a 2005 Ford Expedition, assuming both are the same generation and the engine is compatible in terms of the specific 5.4L variant (there were variations over the years). However, there are caveats:

* Wiring Harness: You'll likely need to adapt or swap the engine's wiring harness. While the engines are similar, there might be differences in sensors, connectors, and overall harness routing. This is often the most complex part of the swap.

* Engine Mounts: The engine mounts may be slightly different, requiring modification or replacement.

* Transmission: Ensure the transmission is compatible. While both likely use the same transmission type, the specific transmission from the F-150 might require adjustments or modifications to work correctly with the Expedition's setup.

* Computer (PCM): The engine's computer (Powertrain Control Module or PCM) will likely need to be programmed to match the Expedition's vehicle identification number (VIN) or potentially swapped with the Expedition's PCM.

* Exhaust System: The exhaust system might need modifications to fit correctly.

* Accessories: Consider the location and compatibility of accessories like the alternator, power steering pump, and air conditioning compressor.

In short, while the swap *is* possible due to the engine's similarity, it's not a simple bolt-in job. Expect significant time and mechanical expertise, possibly including professional programming of the PCM. It's crucial to carefully compare the two engines to ascertain exact compatibility before proceeding. A mechanic specializing in Ford trucks would be a valuable resource to assess the feasibility and complexity of the project.

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