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1992 Buick LeSabre Custom 3.8L Excessive Emissions
THIS VEHICLE HAS FAILED EMMISSIONS, IN BOTH HC & CO.I FOUND VACCUM LINE TO FUEL PRESSURE REGULATOR WAS LEAKING & CODE 13 O2 SENSOR CIRCIUT. I REPAIRED VACCUM LINE & REPLACED O2 SENSOR. STILL HAS HIGH TAILPIPE READINGS. O2 SENSOR NOT SWITCHING,WITH MASTERTECH H...
FIX posted 11/19/2000
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| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 13 | o2 circuit |
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Vehicle Data
1992 Buick LeSabre Custom
| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 13 | o2 circuit |
Video