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Discussion Starter · #1 · (Edited)
Could someone take a look at my data log. I got a custom tune yesterday on a Mustang dyno however, I noticed on the drive home my AF Learning 1 would be as low as -40 and my AF Correction would be as high as 33. Also every time I start the car the DAM is at 0.688, but returns to 1 after 10-15 mins of driving. I've emailed the tuner and I'm waiting to hear back from him.

https://drive.google.com/open?id=1NsrQla3fNyfKF2MlpqSJboHlN61mSYPc
 

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What are your current mods?
The DAM needs to be set back to 1, it was .875 on the whole datalog.
After 3300rpms if your wideband is reading correctly, AFR values takes a big dip into a very rich condition.
I have to say that the calibration needs to be tweaked furthermore.
 
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Could someone take a look at my data log. I got a custom tune yesterday on a Mustang dyno however, I noticed on the drive home my AF Learning 1 would be as low as -40 and my AF Correction would be as high as 33. Also every time I start the car the DAM is at 0.688, but returns to 1 after 10-15 mins of driving. I've emailed the tuner and I'm waiting to hear back from him.

https://drive.google.com/open?id=1NsrQla3fNyfKF2MlpqSJboHlN61mSYPc
Woah i missed this.

Your dam should be 1 always. Something is off. Did you delete the tgv?
 

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BooSTIng
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What everyone else is saying, your DAM should always be at 1, no matter what. Something is up. If you don't mind sharing, who tuned your car? I would be back there making them make it right asap.
 
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