![Do you guys think I need new gas cap? Getting code P0456, trying the small things first : r/MechanicAdvice Do you guys think I need new gas cap? Getting code P0456, trying the small things first : r/MechanicAdvice](https://i.redd.it/t359os8846m81.jpg)
Do you guys think I need new gas cap? Getting code P0456, trying the small things first : r/MechanicAdvice
![Solved excessive gas tank pressure - fuel pump noise - evap problem - Third Generation F-Body Message Boards Solved excessive gas tank pressure - fuel pump noise - evap problem - Third Generation F-Body Message Boards](https://www.thirdgen.org/forums/attachments/tbi/365100d1501369969-solved-excessive-gas-tank-101_0197.jpg)
Solved excessive gas tank pressure - fuel pump noise - evap problem - Third Generation F-Body Message Boards
![AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Gas Caps and Check Engine Lights, The Evap System AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Gas Caps and Check Engine Lights, The Evap System](https://www.agcoauto.com/content/images/MIL/evap_system.jpg)
AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Gas Caps and Check Engine Lights, The Evap System
![Do you think that this could cause a vacuum leak ? I mean the car could run even without the air intake hose ? Al's the pcv valve from the air intake Do you think that this could cause a vacuum leak ? I mean the car could run even without the air intake hose ? Al's the pcv valve from the air intake](https://preview.redd.it/do-you-think-that-this-could-cause-a-vacuum-leak-i-mean-the-v0-i99700d0g9ba1.jpg?auto=webp&s=b77cb697804835ed317bfa917b56d1e140d9dc4f)