P228C Diagnostic Trouble Code Discussion for January 2026
Fuel Pressure Regulator1Exceeds Control Limits
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| Help Request | Posted | |
| 2021 Chevrolet Suburban LT 5.3L Stall VIN: 1GNSKFKD1M P228C: Fuel Pressure Regulator Performance - Low Pressure. Dear members, I have this 2021 Suburban with the fault codes above, I replaced the fuel pressure pump under the manifold and updated the calibration files in the ECM, If i activate the pressure regulator with the scanner, the data will blink only it doesn'... |
January 12, 2026 |
