Thread: ECU DUMP help
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Old 04-14-2009, 08:26 PM   #15 (permalink)
toedrag
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It would be useful to know how much time this engine has spent between 7500 and 9000 RPM, which is not a value that is displayed (or recorded?). Keep in mind that a car may not spend much time between 7000 and 7500 but could spend a great deal of time between 7500 and 8500.

I think it's a little strange that the max RPM's above 8500 are clustered in two groups:
-one within 7 minutes starting at 2 hours/36 min and
-one within 55 seconds starting at 3 hours 3 min

And, those two groups are only separated by about 20 minutes...first one ends at 2 hr 43 min and next one begins at 3 hours 3 minutes. Meaning, there was a burst of high RPMs starting at 2 hr 36 min, then again about 30 minutes later.

Top 5 speeds are all between 109 and 118 MPH, which suggest high RPM's were intentional and not caused by mis-shifts. Seems like this car was driven pretty hard very briefly, especially given the throttle position numbers - not that this is a bad thing at all. It's just something to take into account. Doubt it was ever tracked if that matters to you.

Only 7 hours Engine Life is interesting. If you can get the Service Records from a dealer, there would likely be an entry about an ECU re-flash very recently. If there isn't any record of an ECU re-flash (and I don't think any dealers would allow a customer to simply request data erasure), then maybe this is a new ECU on this car, which would be something to ask about.
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Last edited by toedrag : 04-14-2009 at 08:36 PM.
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