FixVault
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Buick
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2003
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Regal LS
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls Troubleshooting - No Codes - 3.8L
›
Symptoms
›
Poor Fuel Fill Quality
›
Over Fill
Over Fill
Check the following items:
Pressure relief valve is stuck open or leaking.
Fill limiter vent valve is stuck open or leaking.