Editor shows TPS voltage but no TPS percentage (%)
What causes this? Is something turned off? Wiring appears to be OK.
One of the uploaded tunes and its corresponding running data file attached. Also the tune I used as a base reference. Some other inputs are from a stock 8.1 and some form the Pontiac engine. A mix & match at this point but just going for a starting point.
Background info:
Checked TPS, have 5V , Ground and 'linear' signal output.
Accufab throttle body which uses the LT1 TPS. 0-5V . Although WOT on TB is only 4.14V. Closed is 0.43V.
Scanner reads corresponding TPS voltage and is in agreement with TPS voltage output on TB relative to throttle opening percentage
ECU (0411) is pinned accordingly
Engine is a 455 based Pontiac in a 78 Trans Am
Yes, firing order is different. Injectors and coils have been repined on the ECU accordingly. (3,4 & 7,2 cylinders switch). Could have changed that in the ECU but wasn't aware at the time I was doing the wiring.
ECU was from an 01 or 02 Suburban 5.3 which was flashed to SD 1 bar & removed VATS. At least that was I believe I did. (fairly basic operation)
From the tune repository, I used an 01 camaro w/ same TB & SD tune for most of the tables via copy/ paste as a starting point. Not saying the reference is perfect but its a starting point.
We have idle and start. No big issues there for the time being.
When throttle is cracked, aside from occasional instances where I can get a decent rpm increase, it mainly shutters and can kill the engine if left open due to lean mixture. That's based on the WB O2 which is off the charts lean (17 +)
Went through tables and menus , but not finding where I can put the TPS voltage range and / or a location for the TPS to turn on or off if such an option exist.
O2 sensor readings are not in line with each other but that may be another issue.
Any input is appreciative.