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Gents , my trans seems to want to short shift big time at the drag strip. 1-2 and 2-3. I have my converter set to not lock on the passes. If i leave in D1 and manually shift at WOT it shifts and the car rips. I'm at a loss as i have the WOT table set. Any help would be appreciated , attached is my log at the strip and tune. I had to get out of the throttle for a second as i was heading sideways towards the wall, hah.
Looks like the trans is in Max Diag mode for some reason
Anyone know how to get it out of MAx Diag Mode?
What size tire and what gear ratio?
Your trans temp is going crazy from -40* to 133* to -40*.
Id like to see trans pressure readings and also the information from the Pressure Manifold Switch to see when 2nd gear is being commanded is the pressure manifold switch seeing the 2nd gear pressure.
Is your injector data right? Im seeing 3.x on cyl airmass in the datalog.
I seem to have solved the problem. I flashed the E67 with an auto OS as i had a OS from a manual car, then did a full read with T42 TCM and then tuned that ECM tune for my application and then did a write all. Seems to have solved the issue with communication. No more trans communication issue and the trans temp is reading stable.