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DTC P1551: Incorrect At-Rest Throttle Position
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Diagnostic Procedure
Diagnostic Procedure
Fig 1: DTC P1551: Incorrect At Rest Throttle Position (Steps 1-10)
Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P1551: Incorrect At Rest Throttle Position (Steps 11-15)
Courtesy of GENERAL MOTORS CORP.