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05 Navigator 5.4L P0012 Rough Idle
I've got a 05 Lincoln in the shop with several codes P0012
(Bank 1 Over Retarded) P0021 (Bank 2 Over Advanced) P0301,
P0303, and P0316. Watching power balance graph shows all 4
Bank 1 cylinders 1, 2, 3, and 4 and all underperforming. ![]()
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| VIN | 5LMFU28505 |
| Engine | 5.4 L |
| Trans | 6-speed Automatic (Electronic) |
Vehicle Data
2005 Lincoln Navigator 5.4L
| VIN | 5LMFU28505 |
| Engine | 5.4 L |
| Trans | 6-speed Automatic (Electronic) |

9 Replies Received
9 Replies Received