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STFT @ 0 ; LTFT @ 30 ?
This is a police car with 76,000 mi. It keeps setting lean
codes P0171 & P0174. I've already fixed a vacuum leak at the
PCV hose, & O2's are now switching like they should. ![]()
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| Engine | 3.6 L |
| Trans | 6-speed Automatic (Electronic) |
Vehicle Data
2012 Chevrolet Impala LTZ 3.6L
| Engine | 3.6 L |
| Trans | 6-speed Automatic (Electronic) |

57 Replies Received
57 Replies Received