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1994 Buick Skylark Custom 2.3L Excessive Emissions, Hesitation, Poor Fuel Economy
car loses pwr under slight to medium load, fuel press ok,is
using alot of fuel, I do not own gas analyzer, but one is
not needed on this vehicle to know it is running rich.
FIX posted 5/8/2000
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Related Documents & Media 
| VIN | 1G4NV5533R |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / efi |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Hesitation, Poor Fuel Economy |
| Occurs | Under Load, Intermittently, Under Med Load, Just Off Cruise |
Trouble Codes
| 13 | o2 sensor circut |
| 45 | eng running rich |
Message Closed w/FIX
Vehicle Data
1994 Buick Skylark Custom
| VIN | 1G4NV5533R |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / efi |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Hesitation, Poor Fuel Economy |
| Occurs | Under Load, Intermittently, Under Med Load, Just Off Cruise |
Trouble Codes
| 13 | o2 sensor circut |
| 45 | eng running rich |
Video