Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2023DURANGO R/T PLUS, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 42 (6.2L - DTCS P0443 TO P058A)DTC TROUBLESHOOTINGP0457-EVAP SYSTEM - LOOSE FUEL CAPDIAGNOSTIC TEST
2023 Dodge and Ram Durango R/T Plus, AWD
Diagnostic Test
2023 Dodge and Ram Durango R/T Plus, AWDSECTION Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
FUEL FILLER CAP/CAPLESS FUEL FILLER VISUAL INSPECTION
- Visually inspect for the following:
- Loose, missing, or damaged Fuel Filler Cap or seal
- Damaged locking tabs on the Fuel Filler Cap and/or filler tube
- Damaged seal points on the Fuel Filler Cap and/or filler tube
- If the vehicle is equipped with the Capless Fuel Filler Assembly, visually inspect the flap and seal for proper sealing.
Were any problems found?
Yes
- Repair as necessary.
- Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Perform the P0455-EVAP SYSTEM LARGE LEAK diagnostic procedure.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.