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1992 Buick LeSabre Limited 3.8L Excessive Emissions, Backfire in intake
This car runs fine until it starts to warm up and then it starts to pop or backfire into the intake at 2500 [...] seemed to be ignition related so i replaced the plug wires but they didn't help.I then replaced crank sensor and tried a known good module and [.....
FIX posted 10/24/2000
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| VIN | 1G4HR53L5N |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | US Federal emissions |
| Symptoms | Excessive Emissions, Backfire in Intake |
| Occurs | Hot, on Decel |
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Vehicle Data
1992 Buick LeSabre Limited
| VIN | 1G4HR53L5N |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | US Federal emissions |
| Symptoms | Excessive Emissions, Backfire in Intake |
| Occurs | Hot, on Decel |
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