Does anyone know what else could be causing my L/B problem? It's extremely hesitant now to go into L/B , it's not giving me the herky jerky but I can feel it being extremely hesitant then it just decides to not go into L/B. Here is an example of what UG shows, 0.000 is lean burn, 0.015 is when I feel it leaning out, 0.115 is loss of power but not quite leaned out and 0.640-0.955 is normal range.
0.955
0.640
0.850
0.085
0.015
0.955.
It will hold the 0.015 just long enough for it to register on UG, then hop right back up. I'm at a complete loss as it was working just fine prior to me getting TC P0401. Ever since then, even though I cleaned the EGR system and the TC and check engine light went away.
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