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Chevrolet
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2007
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HHR LS, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls & Fuel - 2.2L - DTC P0016 To P0442
›
DTC P0068 or P0121
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DTC Descriptors
DTC Descriptors
DTC P0068
Throttle Body Airflow Performance
DTC P0121
Throttle Position (TP) Sensor 1 Performance