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2003 Chevrolet Impala 3.4L Misfire
This Impala runs very good since the convertor was replaced but the fuel trim numbers at idle are: long term-14 and short term -2 to -6. According to the scan tool it misfires on deceleration for just a second. It does this every time if you rev the engine whi...
FIX posted 5/25/2008
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Message Closed w/FIX
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| VIN | 2G1WF52EX3 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | On Decel, Idle |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Impala
| VIN | 2G1WF52EX3 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | On Decel, Idle |
20 Replies Received
20 Replies Received
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