The codes are P0455 & P0442 EVAP Control.

Tiny
ANONYMOUS
  • MEMBER
  • 2002 JEEP WRANGLER
  • 62,000 MILES
The codes are P0455 & P0442 EVAP Control Systems Leak Detected (small leak) (gross leak) so what is causing the problem? It's not the gas cap already replaced the old one with a new one from the dealership. I'm thinking charcoal canister. Could you please help me figure this out? FYI It's a 6 cylinder
Friday, December 21st, 2012 AT 9:55 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
You have a leak in the EVAP system. I recommend having the system smoked. That is a process in which the system is slightly pressurized (1psi) with smoke, The smoke will leak out where the problem is located. Then you will know what to repair.
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Friday, December 21st, 2012 AT 9:57 PM

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