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Fuel Trim Numbers
Hello, I have a vehicle with with negative fuel numbers Long Term 25 on bank 2 and 22 on bank 1 and yet every now and then I get a lean code for bank 2. At idle short term numbers are high about 10 for both banks and at off idle down below 5. Engine runs good ... Login to read more. 
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11 Replies Received
11 Replies Received
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1996 Buick Roadmaster Collector's Edition 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
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