Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

check engine on code p0455

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Old Dec 16, 2011 | 10:35 AM
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tironci01's Avatar
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check engine on code p0455

my check engine light came on in my G35X 2004 the definition of the code is EVAP control system gross leak detected. It gave me 4 probable causes 1 EVAP purge solenoid faulty
2 canisster vent solenoid faulty 3 blocked vapor canister 4 faulty EVAP pressure sensor
any ideas what most likely causin it????
 
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Old Jan 5, 2012 | 06:33 PM
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From: MA
P0455 error can also be due to faulty gas cap. it is mostly due to faulty gas cap. Tighten the cap properly or if it is damaged replace it before you do to the dealer. You can get for $20-25 at the Nissan or Infiniti dealer. Get the OEM only.

If it is faulty gas cap the light will go off after you install a new one. If not there can be other possibilities which you mentioned.

Sometime the air inside the gas tank also gives this error. Try filling the gas tank to its max capacity and see it the light goes off
 
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Old Aug 12, 2012 | 12:03 PM
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Ive got the same code, did tightening the gas cap work for you?
 
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Old Aug 17, 2012 | 07:29 AM
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dougs's Avatar
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From: syracuse, ny
my pipe had some rust, sanded it down and viola, no more code!
 
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