Which operating system and ECM is the truck your tuning now that will not hold throttle @100% vs the ones that did?
Looking at my last log file it does make me wonder why commanded is still 84% throttle at 5000-6000 RPM when my manifold is showing 94kPa indicating it has not reached its peak flow. Checking the logs over again my 97 kPa was around 4200 RPM. The SAE TPS PID from what I can tell is also scaled so 84% is actually the maximum we will see on the scanners due to the 1-5v range and full open is not quite a full 5v. From what I can tell thus far it appears that if the blade is full open at say 4.2 volts then we will see 4.2v as a % of 5v. 5v being 100%
I am going out to test something I think the PID we want to use is GM.ETCTP which appears to be the actual indicated throttle position,.
Mine is an E78 ECM with the 6.0/6L90 in a 2500 HD 2whl drive.
-Rob
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