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2003
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Impala Base, 3.4 E
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls Self-Diagnostics - 3.4L
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Diagnostic Tests
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DTC P0130: Ho2S 1 Circuit Closed Loop Performance
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Conditions For Setting DTC
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Conditions For Setting DTC
The PCM detects an active HO2S 1 with an improper voltage signal amplitude.