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  1. Trying to solve PO171 & P0174

    General Maintenance & Repair
    04 v8, 96k miles on the clock. PO171 & P0174 System too lean, bank 1 & 2 Vehicle runs completely fine, its smooth, power in all gears throughout rpms, city, highway, rolling. Averaging about 12.8 mpg. (I have had the car for about a month now and those are my personal observations as is) I'm...
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