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GMC
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2000
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C3500 HD 7.4 J, Standard
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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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Fuel Delivery Check Valves
Fuel Delivery Check Valves
Condition
Code
Procedure
Inoperative
A
Require replacement
NOTE:
Inoperative includes intermittent operation.
Leaking externally
A
Require repair or replacement
Missing
C
Require replacement
Pressure leaking (bleeds down)
A
Require repair or replacement