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P Codes (Powertrain)
P0400 - P0499
HUMMER P CODES (POWERTRAIN) P0400 - P0499
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Found 1 result
2007 Hummer H3 Code Issue
2007 Hummer H-3 Code Issue Unable To Clear Code Po411 Reads Secondary Air Inadequate Upward Flow #1. Replaced Valve Then Reset Code Code...
Asked by
David C Cantatore
·
1 ANSWER
2007
HUMMER H3
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