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Hummer
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2008
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H2 4D Utility Wagon
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls And Fuel - 6.2L - DTC P0300 To DTC P1175
>>
DTC P0443 or P0449
>>
Diagnostic Fault Information
Diagnostic Fault Information
Circuit
Short to Ground
High Resistance
Open
Short to Voltage
Signal Performance
Ignition 1 Voltage - Purge Supply
P0443
P0443
P0443
-
-
Battery Positive - Vent Supply
P0449
P0449
P0449
-
-
EVAP Purge Solenoid Control
P0443
P0443
P0443
P0443
-
EVAP Vent Solenoid Control
P0449
P0449
P0449
P0449
-