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Old 03-08-2009, 07:24 PM
Flareside50 Flareside50 is offline
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Evap Leak

Whats up guys, hey so I'm driving home today and the sevice engine soon light comes on. I check the code and its a PO4055 Evap System Large LEak. and the possible things could be either the fuel cap, vaccum leak, the canister is not working or broken or not plugged in, or the purge valve went bad. Any ideas of where to start looking and where is the canister and the purge valve located. Thanks
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Old 03-09-2009, 09:06 AM
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KingRanchMan02 KingRanchMan02 is offline
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The canister is back under the bed and near the spare tire. The purge vent valve is under the hood. Good luck!
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Old 03-09-2009, 09:43 AM
Flareside50 Flareside50 is offline
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Thanks well I took the negative battery terminal off and waited for a few just to see if the gas cap wasn't on tight so Ill let u guys know.
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Old 03-09-2009, 09:43 AM
 
 
 
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Go Back   Ford Truck Enthusiasts Forums > Newer Light Duty Trucks > 1997 - 2003 F150

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1997, 1999, 2003, 2004, canister, code, engine, evap, f150, ford, large, leak, located, location, po4055

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