Quote:
Originally Posted by Rookie48
Data logs and diagnostic report (freeze frame) from the ride home tonight...
Limp mode entered at 4:38:37 PM:
https://dl.dropboxusercontent.com/u/...5%20PM%29.xlsx
https://dl.dropboxusercontent.com/u/...2016-01-05.pdf
Remember - I have to shut the truck off and back on while rolling to clear the limp mode, so PID values during that restart may be zeroed out or frozen during the reset.
It is quite possible that the "0" values in the fuel trim values to due to the wireless connection from the OBD II adapter and the iPhone app for the first few seconds.
I have not cleared the codes, and will log again on the way to work tomorrow. |
It is possible because if the 02 sensors are still cold, the system is in open loop where the fuel mixture is not controlled by the 02 sensors, but by a fuel map in the computer.
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