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Repeat throttle body failure
Came in May of 2012 with MIL on, reduced power and code P0121. Removed, cleaned and remounted throttle body. Flashed PCM and inspected wire harness. Throttle body failed in Dec 2012. Same code p0121. Replaced throttle body with an aftermarket reman.. At this t... Login to read more. 
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13 Replies Received
13 Replies Received
| Engine | 3.5 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2007 Chevrolet Impala LS 3.5L
| Engine | 3.5 L |
| Trans | 4-speed Automatic (Electronic) |
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