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Chevrolet
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2006
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Uplander LT, 3.9 1
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.9L - DTC P0011 To P0420
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DTC P0420
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Repair Procedures
Repair Procedures
IMPORTANT:
Always perform the
Diagnostic Repair Verification
after completing the diagnostic procedure.
EXHAUST MANIFOLD REPLACEMENT - LEFT (3.9L)
EXHAUST MANIFOLD REPLACEMENT - RIGHT (3.9L)
CATALYTIC CONVERTER REPLACEMENT
HEATED OXYGEN SENSOR 2 REPLACEMENT
Exhaust Leakage
Restricted Exhaust