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Po 446 it keeps coming, at the same time i change canister and

Customer Question
po 446 it keeps cameig...
po 446 it keeps cameig, at the same time i change canster and purge valve .compelt tunup . stel the chek engein is on'.
JA: Good to know. The mechanics have tons of experience dealing with this sort of thing. How old is your transmission?
Customer: igat 14300 mills and 10 years old
JA: Ok. We'll get you to one of the go-to transmission guys. Other than the problems you mentioned, how has the car been running?
Customer: good
JA: Noted. I'll pass this info along to the mechanic so that he can get you a quick fix. Anything else I can tell the Ford Mechanic before I connect you two?
Customer: no
JA: Got it. Let's get this figured out. I'm sending you to a secure page on JustAnswer so you can place the $5 fully refundable deposit now. While you're filling out that form, I'll tell the Ford Mechanic about your situation and connect you two. You'll be on the road in no time.
Submitted: 1 year ago.Category: Ford
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Answered in 1 minute by:
4/13/2016
Ford Mechanic: Eric, Automotive Repair Shop Manager replied 1 year ago
Eric
Eric, Automotive Repair Shop Manager
Category: Ford
Satisfied Customers: 32,813
Experience: Automotive Repair Shop Manager, Technician
Verified
HI,Ok, I need to get the year, model and engine size of your Ford
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Customer reply replied 1 year ago
2007 ford explorer v6
Ford Mechanic: Eric, Automotive Repair Shop Manager replied 1 year ago
Hi, Ok, for P0446 for this specific vehicle, Possible Causes - Fuel tank filler pipe vent tube, if equipped - Fuel tank filler pipe - Evaporative emission (EVAP) system - Fuel tank inlet check valve (part of the fuel tank) - Fuel level vent valve, if equipped (part of the fuel pump [FP] module) Have you gone thru the Ford testing procedure for this code?
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Customer reply replied 1 year ago
we try every thing and we replace
Ford Mechanic: Eric, Automotive Repair Shop Manager replied 1 year ago
HI, Ok, so you monitored the fuel tank pressure while filling the tank and it was within specs?You dropped the fuel tank to check the fuel tank vent valve for any obstructions as well as removing the fuel tank filler tube and vent tube to check them for obstructions?And you removed the fuel pump module and turned upside down to test the fuel level vent valve?And did you smoke test the evap system to check for proper flow and no obstructions in any evap parts or hoses? Everything above tested good, is that correct?
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Ron
Ron
Ron, ASE Certified Technician
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