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Comm. Codes Causing High Fuel Pressure?
My experience on this system is thin, so I can use some help. Among other codes, found P069E and U0073 in the PCM. Checking the FPCM, found, P0191,P2635 and U0073. F F's show FRP @80 psi, desired 43.5 and command 24% .Mechanical gauge verifies the scan data, ... Login to read more. 
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| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2008 Chevrolet Tahoe LT 5.3L
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
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