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Buick
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1971
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GS Eng CD TO, Automatic Trans, Trans Mfr CD THM350C
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Repair and Diagnosis
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General Information
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Engine Performance
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Map - Engine Performance & Maintenance
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Engine Performance And Maintenance
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EGR Coolers
EGR Coolers
Condition
Code
Procedure
Leaking
B
Require repair or replacement
Missing
C
Require replacement
Restricted, affecting performance
A
Require repair or replacement