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Geo
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1993
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Storm L4-1800cc 1.8L DOHC
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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DTC 51
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Powertrain Controls - ECM/PCM
Powertrain Controls - ECM/PCM
Check that all ECM connections are good. If OK, clear memory and recheck ECM. If Code 51 reappears, replace ECM and reprogram.