PCM Software update
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Mountain Pass
Joined: Nov 2016
Posts: 162
Likes: 5
From: Bremen, Germany
PCM Software update
Any experience with updated PCM mapping/software?
i have a 2004 5.4 and wondering if I can ask the stealership for a newer version as I'm scheduled for a recall anyways.
so any improvements in fuel economy or accel response?
i have a 2004 5.4 and wondering if I can ask the stealership for a newer version as I'm scheduled for a recall anyways.
so any improvements in fuel economy or accel response?
Senior User
Joined: Apr 2016
Posts: 103
Likes: 1
It's quite possible that if you've had your van in for service with a Ford dealership in the last 13 years it's already been flashed with an updated strategy without them even asking you. Otherwise, the answer is yes. They can do it but will likely charge some labor for a 2 minute process. Not sure about any performance/mileage gains on the 5.4.
Thread Starter
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Mountain Pass
Joined: Nov 2016
Posts: 162
Likes: 5
From: Bremen, Germany
It's quite possible that if you've had your van in for service with a Ford dealership in the last 13 years it's already been flashed with an updated strategy without them even asking you. Otherwise, the answer is yes. They can do it but will likely charge some labor for a 2 minute process. Not sure about any performance/mileage gains on the 5.4.
Senior User
Joined: Apr 2016
Posts: 103
Likes: 1
You might want to look into custom tuning than just simply taking the latest Ford flash. Might see better gains that way. Here's one option: Got a 5.4L V8? - 5 Star Tuning
Posting Guru
Joined: Apr 2014
Posts: 2,196
Likes: 5
From: N Ca.
You might want to look into custom tuning than just simply taking the latest Ford flash. Might see better gains that way. Here's one option: Got a 5.4L V8? - 5 Star Tuning
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