Operation CHARM
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1986
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Electra Park Avenue V6-231 3.8L VIN B FI
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Repair and Diagnosis
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Function Selector Positions
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BLM - Block Learn Memory Cell
BLM - Block Learn Memory Cell
There are from 2 to 16 different cells which the ECM learns at depending upon RPM and air flow. This parameter displays which cell the ECM is using for fuel calculations at the present time.