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1992 Cadillac DeVille 4.9L Poor Fuel Economy
Customer reports that in high alitudes vehicle gets great fuel milage, and that if he unhooks battery and resets ecm, that milage is ok for about three tank fulls in normal alitudes.I have checked this vehicle several times to no avail. The scanner data lo...
FIX posted 9/30/1998
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| VIN | 1G6CD53B6N |
| Engine | 4.9 L / 8 cyl |
| Emissions | US FED |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
| Misc. | Front Wheel Dr. |
Message Closed w/FIX
Vehicle Data
1992 Cadillac DeVille
| VIN | 1G6CD53B6N |
| Engine | 4.9 L / 8 cyl |
| Emissions | US FED |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
| Misc. | Front Wheel Dr. |
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