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2021
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Voyager LXi, Gas
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P1D83 To P2308
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Diagnosis And Testing
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P2174-Low Airflow/Restriction Detected (Instantaneous Accumulation)
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Set Condition
Set Condition
The PCM detects a long term increase in the difference between the actual Map Pressure sense and calculated Map Sensor value, beyond the calibrated limit, due to an increase in vacuum.