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2006
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Escalade EXT
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Engine Performance
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Engine Control System - 4.8L, 5.3L, And 6.0L - DTC P2121 To DTC U0107
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DTC P2636
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DTC Descriptor
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC P2636 Fuel Transfer Pump Flow Insufficient