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Old 10-17-2013, 08:13 AM   #1
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Guys ive been thinking

So I know we found out that tunes void warranties and they can find out if you ever tuned it but what about a car that had a tune and was traded in and still had warranty left? The shop Would have to erase that history some how because if the next person that bought it brought it in they never tuned it and if it comes up on the history they can't say he put it there. What are your thoughts about this?

---------- Post added at 09:13 AM ---------- Previous post was at 09:12 AM ----------

My point is if they can erase the history why can't we?
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Old 10-17-2013, 12:03 PM   #2
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For the, "next guy" they can tell when the PCM was written with a timestamp. Purchase date would resolve that. The dealer is then responsible for determining if the tune caused the problem. Ford only looks that deep into it if they have to (per my dealer). So a blown motor with symptoms of being run lean or too hot may prompt review of the PCM. A leaking exhaust gasket or bad rear-end probably will not.
There is probably a way to wipe history. But I have no clue how you or I could do it without it showing the last time it was written. And if it shows it as being any date other than date of manufacture or a date that the dealer needed to access it, same boat.
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Old 10-17-2013, 12:49 PM   #3
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Quote:
Originally Posted by Six7One View Post
For the, "next guy" they can tell when the PCM was written with a timestamp. Purchase date would resolve that. The dealer is then responsible for determining if the tune caused the problem. Ford only looks that deep into it if they have to (per my dealer). So a blown motor with symptoms of being run lean or too hot may prompt review of the PCM. A leaking exhaust gasket or bad rear-end probably will not. There is probably a way to wipe history. But I have no clue how you or I could do it without it showing the last time it was written. And if it shows it as being any date other than date of manufacture or a date that the dealer needed to access it, same boat.
Yea that makes a lot more sense I'm just trying to think of ways around it you know what I mean
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Old 10-17-2013, 07:25 PM   #4
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Buy a used PCM for your car and tune that one.
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