OBD-ll trouble code help

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Jun 30, 2005 | 08:35 PM

valleyd01

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Joined: Oct 2004

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From: Atlanta, Ga.

OBD-ll trouble code help

I have 98 Nav. with a check engine light. It pulls code PO455 but my Haynes manual doesn't show this code. Anyone have any suggestions?

Jun 30, 2005 | 09:31 PM

Modified 99

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From: Ft. Worth, TX

P0455 - Evap Emission Control System Leak Detected (Gross Leak/No Flow)

I found the codes on the net after a little sleuthing. Hope this helps

Jun 30, 2005 | 09:56 PM

projectSHO89

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From: St Louis

Possibly the fuel cap, otherwise, probably a vacuum hose in the venting system.

Steve

Jul 1, 2005 | 03:49 PM

the4by4freek

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From: North Carolina

I got the same code on my Ex. I replaced the fuel cap and it still came back on. I returned the fuel cap and got another. No light since then..... over 3 months. I also dropped the rear charcoal canister (under the frame rail on the drivers side) and cleaned all the hoses including the vent tube. I found a lot of dirt and road dust in them along with a cob web in the vent. No light at all.

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