Chrysler 300 gas venting issue from the opposite corner under the seat on Chrysler 300

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Chrysler 300 owners report experiencing gas venting issues, such as vapor coming out of the AC vents after the vehicle has been parked for a while, potentially due to vapor drawn from under the back seat. Additionally, some owners notice clicking and pulsing in the gas pedal, which may indicate a mechanical problem related to an issue under the driver's seat that needs attention. Overflow or small fuel puddles from the vent tube after refueling can signal a venting or fuel system issue that requires inspection and repair. Furthermore, some owners find it necessary to check for broken or missing sunroof parts that could lead to leaks or venting problems. It is crucial to address these gas venting issues promptly to ensure safety and prevent hazards, and consulting a qualified mechanic or Chrysler service center is advisable for thorough inspections and repairs.

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