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06-16-2020, 02:17 AM | #1 |
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Checking for ECU tune - List of good CVNs for CALIDs?
I'm trying to see if my car came with a tune. Reading posts especially from @steve99 says that I will have to compare my CALID and CVN both which I can get from an OBD2 tool. If the CVN is not from a known good value it indicates that the ECU has been tuned/tampered.
The only problem is - does a list exist of all CALIDs to known CVNs? Tried googling to look for one but there isn't any... |
06-16-2020, 04:27 AM | #2 | |
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i dont have list but if you read the tune from ecu you can compare it to a stock rom |
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The Following User Says Thank You to steve99 For This Useful Post: | Compelica (06-16-2020) |
06-16-2020, 06:34 AM | #3 |
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or do a log with valuable data we should be able to spot a stock tune
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The Following User Says Thank You to tomm.brz For This Useful Post: | Compelica (06-16-2020) |
06-16-2020, 11:55 AM | #4 | |
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What would I need to log? I can put it here |
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06-16-2020, 02:50 PM | #5 |
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usually cams get changed, also afr target/actual, and maf voltage and mass air flow g/s
we can look then if they match the stock tune |
06-16-2020, 11:21 PM | #6 |
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If you have a friend with same ecu calud you could check CVN against that if its stock
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06-17-2020, 11:39 AM | #7 | |
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Quote:
I could only log from Torque though, which I could only get the AFR target / actual, MAF (g/s) and timing advance. Just realised that Torque does have an option to view the CVN, but when it's connected to my car the option is goes missing. |
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06-17-2020, 03:24 PM | #8 |
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can t look at it from phone
you should upload the csv to datazap. me thanks |
06-17-2020, 10:29 PM | #9 | |
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Quote:
https://datazap.me/u/compelica/norma...data=0-1-2-3-4 |
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06-18-2020, 01:50 AM | #10 |
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There is small check to tick, your kept the log private
so please go to Edit log and make it public |
06-18-2020, 02:14 AM | #11 |
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06-18-2020, 03:05 AM | #12 |
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too few data, not even Engine speed.. sorry
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06-18-2020, 04:20 AM | #13 |
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Sorry @tomm.brz I can get you the other info... I was under the assumption you needed only those columns that you stated earlier.
Is there anything else you require other than engine speed? |
06-18-2020, 07:50 AM | #14 |
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intake and exhaust cam will help
also flkc and knock corr, usually it gets reduced tova minimum of -0,7 instead of -1 as minimum correction injection angle if available, try to put many things, i dont know how torque works |
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