Do not under any circumstances pull power to the PCM or clear it. This appears to be a mathematically derived cell, based on the operating cells used in closed-loop. As you noted, the right BLM jumps to 160 when the control switches to Cell 17, which it does in open-loop when the throttle is closing (decel) or fairly steady (not 0%) with no engine load. Just a minor observation from the log, the left bank is running fairly rich with the 128 BLM in open-loop, and the right bank is running closer to where it is supposed to be with the 128 BLM in cell 16. I assume from your description of the problem - fuel smell, misfire - it happens all the time? Where do you see this "whiteish steam that smells like raw gas" coming from? At the end of the drive, let it idle for about 30 seconds before you shut it off. ![]() Try and get at least one full throttle pull to above 5,000 RPM. Start it cold, let it warm up, about 3-1/2 minutes, then drive it normally. ![]() "still in open-loop" - and I know it's a typo. ![]() The scan you posted is still in closed-loop mode with a cold engine. Try scanning longer, at least 10 minutes, or scan for a few minutes after it warms up.
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