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Home >> Chevrolet >> 2001 >> Impala Base, 3.4 E >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Troubleshooting - No Codes >> Symptoms >> Poor Fuel Economy >> Symptom Definition
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Symptom Definition

Fuel economy, as measured by an actual road test, is noticeably lower than expected. Fuel economy is noticeably lower than it was previously on this vehicle.

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