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1998 Buick LeSabre Custom 3.8L Misfire, MIL Lamp on
Hello Fellow Techs, This car is driving me crazy. Vacuum was 17 in., did Motorvac, raised to 20 in. Vehicle has code P0300 - Misfires. At idle and low speeds, cylinders 2 & 6 show misfies. Under load, cylinder 1 misfires, cylinders 2 & 6 do not. Swapped 1 & 3 ...
FIX posted 10/28/2009
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Message Closed w/FIX
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21 Replies Received
21 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always, Under Load, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1998 Buick LeSabre Custom
| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always, Under Load, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video