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Home >> Buick >> 2005 >> Rendezvous Ultra, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.6L (DTC P0008 To DTC P0133) >> DTC P0008 To DTC P0133 >> DTC P0121 >> DTC Descriptor

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0121 Throttle Position (TP) Sensor 1 Performance

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