The reason you started to idle better at that point was you went Closed Loop and fueling correction started, but it soon bottomed out.
The reason you started to idle better at that point was you went Closed Loop and fueling correction started, but it soon bottomed out.
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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