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P0455 Diagnostic Trouble Code Discussion for September 2010

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2003 Jaguar Vanden Plas 4.0L Excessive Emissions, Surge, MIL Lamp on VIN: SAJDA24CX3
P0455: EVAP leak detected large. ... The rich codes have been flagging for a while for the other shop. Below is a summary of what I have checked. It feels like I am missing something. Scanned with IDS and AutoEnginuity. P0172 - A bank (1) combustion too ric...
September 02, 2010
2002 Ford Explorer Sport Trac XL 4.0L MIL Lamp on VIN: 1FMZU67E92
P0455: Gross evap leak. Need some ideas please,pulling my hair out on this,Mil on, codes po455 & po457 and check fuel cap light on.smoke test revealed canister close valve not sealing, replace valve. Codes returned- replace fuel cap (kept old one)codes returned.performed vacuum t...
September 17, 2010
2003 GMC Yukon XL 2500 SLE 8.1L MIL Lamp on VIN: 3GKGC26G33
P0455: EVAP System Large Leak Detected. Hi all, This keeps setting a code for a large e-vap leak. The gas cap has been tested. The system has been smoke tested. It has 2 gas tanks.Just wondering what to do next. Thank You for any and all help, Greg S.
September 20, 2010
1999 Volvo C70 2.3L see below VIN: YV1NC53D0X
P0455: Large EVAP Leak. Hi Volvo Guys, This customer has had the above code on/off since the car was new. The dealer had a few goes at it but came up empty. The problem was initially so infrequent that the customer did not pursue the matter while under warranty. Recently the problem...
September 27, 2010