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2001 Chevrolet Impala 3.8L No Upshift
Hi guys, thanks in advance. This is my grandfathers Impala. Recently he complained of a late or harsh upshift intermitantly, and wanted a trans service (old mechanic). all was well for a month or so, then he noticed it agian, but couldnt remember what gear it ...
FIX posted 5/6/2011
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Related Documents & Media | VIN | 2G1WH55K91 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | No Upshift |
| Conditions | First and Reverse Only |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Impala
| VIN | 2G1WH55K91 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | No Upshift |
| Conditions | First and Reverse Only |
Video