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Old 10-27-2010, 12:33 PM   #1
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2003 Focus SVT PCM Calibration

I recently purchased a low mileage SVT from the original owner. It has a bad surge, slow return to idle, lacks power on intial pull away. I found a Ford
TSB 03-19-11 that gives a revised PCM calibration. The trouble is when I go to the local Ford dealer they say that when they pull in to the Ford system it shows no updates available. The TSB gives the new part# 2U7Z-12A650-FYA
but the driveability tech says that there is no option to manually put in the part#. Is anyone out there a Ford drivability tech or knows how to overide the ford updates? Thanks


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Old 10-27-2010, 01:08 PM   #2
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None of the Ford calibrations will cure your issues , The best bet it so get a tune and get those issues delt with and many more changes for driveability and performance that Ford cannot give you even if they could update

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Old 10-27-2010, 02:19 PM   #3
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Hello, thanks for the response but I don't understand. You said to get a 'tune', do you mean an aftermarket performance chip?
Thanks
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Old 10-27-2010, 03:10 PM   #4
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Read through some of the forums a bit... A custom tune changes some perameters in your cars computer, and will make it run much smoother. Cost is roughly $400 unless you have a programmer already.
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Old 10-27-2010, 03:11 PM   #5
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Well Kind of , The SVT is not chipable it takes a flasher like a Diablo Predator or the SCT xcal3
I sell the Diablo Predator for 395.00 shipped and that comes with the Flasher , Custom tune , free updates as you add more mods

Most with my tune will tell you its much better then any of Fords updates for the SVT

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Old 10-27-2010, 03:11 PM   #6
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Yes he means and aftermarket computer programmer ( performance chip ). And yes it will cure your problems. It costs a bit of money but 1turbofocus is the man to get it from. It will change the way the engine runs and how the car performs.

PM him and you will not regret it.
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Old 10-27-2010, 03:31 PM   #7
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The updated tune really doesn't do much to help you. You need an aftermarket tune. I have Tom's (1turbofocus) and it makes a world of difference in performance and daily driving.
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Old 10-28-2010, 10:28 AM   #8
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I agree with everybody else, get a tune. I have Toms and I love it.
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Old 10-28-2010, 11:28 AM   #9
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Thanks everyone for the information. My car was a very late production '03 and discovered it already had the update PCM. I am looking to correct the surge and inprove throttle response at low rpms. I will contact Tom.
Thanks again
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Old 10-29-2010, 10:46 PM   #10
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Just don't expect a world of difference in your bottom-end performance with a revised tune. It's still a modest 4-banger designed to thrill more above 4K than below.
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