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  1. Check Engine Light- Code P0454 - Tahoe Yukon Forum

    Dec 9, 2014 · Check Engine Light- Code PO454 The CEL came on today, so i stopped by AutoZone after work and had them pull the code. It came back as: PO454, Fuel Tank...

  2. p0454 p0455 | Chevy Tahoe Forum | GMC Yukon Forum | Tahoe …

    Oct 12, 2022 · P0454 is a diagnostic trouble code (DTC) for "Evaporative Emission Control System Pressure Sensor Intermittent". This can happen for multiple reasons and a mechanic …

  3. P0454 Code - Evaporative Emission Control System Pressure …

    Dec 16, 2019 · P0454 Code - Evaporative Emission Control System Pressure Sensor Intermittent Christyle Oct 19, 2020

  4. PO451 Error Code Confusion - Tahoe Yukon Forum

    Aug 9, 2014 · A couple weeks after having the fuel pump replaced on our '08 Tahoe the CEL came on and the stored code is P0451-00. On first look up the text indicated "fuel tank …

  5. Friend's Esky throws EVAP related codes. - Tahoe Yukon Forum

    Jul 21, 2024 · Says he's trying to figure out an EVAP problem. Has apparently swapped topcover gaskets, gas cap and one evap hose. Says the computer asks him to "tighten his gas cap" …

  6. Engine Power Is Reduced - Tahoe Yukon Forum

    Oct 2, 2010 · P015A P015c P0420 P0430 P0442 P0446 P0451 P0454 P0455 P0646 P0496 P0506 P0507 P1400 P3400 P3401 P3425 P3441 P3449 P0011 P0030 P0036 P0050 P0056 …