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Has anyone replaced the gas tank and solved the pumping issue?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by ToyotaGal, Feb 17, 2021.

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  1. ToyotaGal

    ToyotaGal Member

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    done both doesn't work.
     
    #21 ToyotaGal, Feb 20, 2021
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  2. bisco

    bisco cookie crumbler

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    did you have the problem last summer?
     
    #22 bisco, Feb 20, 2021
  3. ToyotaGal

    ToyotaGal Member

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    Anywhere in Hawaii would be nice !!!
     
    #23 ToyotaGal, Feb 20, 2021
    Last edited by a moderator: Feb 21, 2021
  4. ToyotaGal

    ToyotaGal Member

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    When I purchased the car I was luck if I could get 2 gallons in. Changed the 2 parts and then I was getting 4-5 gallons in and found I did a lot better but backing out the nozzle. Lets see how I do with this tank. I don't mind quirkiness if it is consistent. After the valve is replaced, I think I may take it in for a diagnostic to a Prius specialist. They said most of the time it isn't the tank which contradicts everyone else.

    When it gets warmer, I will take the back end apart to clean out the HV fan, clean the MAF and throttle body.
     
    #24 ToyotaGal, Feb 20, 2021
  5. dolj

    dolj Senior Member

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    I can't decide if you're making a connection between the inverter coolant pump and the heat you're getting from the heating system or not but to be clear there is no connection. The heater is connected to the engine coolant loop which is completely separate from the inverter coolant loop.
     
    #25 dolj, Feb 21, 2021
  6. ToyotaGal

    ToyotaGal Member

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    Hello my prius friends,

    I have an update. I took the car to a mechanic who works on the prii for a diagnostic. It came back the charcoal canister is partially restricted. He said the solenoid is fine.
    He thought I could get the canister without the solenoid but we could not find being sold separately. Can anyone tell if it can be done.

    He said the level sensor is off. Is this in the gas tank.

    He told me to start with the canister.

    The evap system and components are working correctly.
     
    #26 ToyotaGal, Mar 9, 2021
  7. John321

    John321 Senior Member

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    The level sensor is the one referred to in post #11. How did the charcoal canister get plugged? Pumping gas after the nozzle clicks off is typically a way the gas gets to places meant for only vapor not gas .

    Car Myth or Fact: Should You Top Off Your Gas Tank? | Angie's List

    “When we overfill the tank, it sends all of the excessive fuel to the evaporation/charcoal canister and kills the life of that canister,” Carruso says.
     
    #27 John321, Mar 9, 2021
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  8. ToyotaGal

    ToyotaGal Member

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    I purchased the car last May and I could not get gas in the car . I replaced the filler neck and the valve next to the neck.After that I was able pump gas in but I would have to back the pump out. I had suspected that the gauge was off and was not getting a true tank filling. I originally asked if anyone had replaced the tank and if it solved the problem.
    I had found a mechanic well versed with the issue and he said a lot of times it isn't the tank. I brought it to him for a diagnosis and posted his findings.
     
    #28 ToyotaGal, Mar 9, 2021
  9. SFO

    SFO Senior Member

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    No OBD2 codes, like a P0446?
    Wonder if it can be cleaned up? : How to Clean a Charcoal Canister | It Still Runs

    Since this could be an ongoing issue, you could go with a lifetime warranty option at the various auto parts chains (Orielly's, AutoZone, etc) : https://www.autozone.com/engine-management/vapor-canister/toyota/prius/2009

    Here is one online OEM source, there could be better OEM pricing elsewhere : Genuine Toyota Vapor Canister - Toyota Parts Deal

    You might try rockauto : 2009 TOYOTA PRIUS 1.5L L4 ELECTRIC/GAS Exhaust & Emission Parts | RockAuto

    FYI: CarID will price match / beat online pricing (fleabay, etc) if they offer the part : 2009 Toyota Prius Vapor Canisters, Purge Valves & Parts — CARiD.com
     
    #29 SFO, Mar 9, 2021
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  10. ToyotaGal

    ToyotaGal Member

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    No codes because it is only partially blocked. I usually get the local dealer to price match from hear
    https://toyotaparts.bochtoyotasouth.com/oem-parts/toyota-vapor-canister-7774047050

    I was told it could not be cleaned out.
     
    #30 ToyotaGal, Mar 10, 2021
  11. Leadfoot J. McCoalroller

    Leadfoot J. McCoalroller Senior Member

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    Sure, if you find someone who's cool with a large amount of gasoline fumes and some spattered charcoal dust mud flying around.

    Try it in Massachusetts and you might even get a hazmat response.
     
    #31 Leadfoot J. McCoalroller, Mar 10, 2021
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  12. ToyotaGal

    ToyotaGal Member

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    Another update. The canister was replaced the other day. I went to the gas station late afternoon today. I put the pump on slow fill and left it alone. It stopped at 7.5 gallons.I was on 1pip and flashing. I topped it off and got another gallon in. no signs spillage.
    I hit the reset for average mpg as this does not automatically reset. (I never reset it) I was maintaining 45.2 and climbing .1 everyday. I drove the car about 8 miles to the store and avg went as high as 67 I was gliding down small hills though. It mostly stayed in low 60's. Drove car home and it is on 62. I have never seen it this high.

    The mechanic did say I would see better gas millage.
    So upon my first fill up it looks like I have a normal pumping Prius now.
     
    #32 ToyotaGal, Mar 19, 2021
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  13. bisco

    bisco cookie crumbler

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    congrats!
    not sure it is a good idea topping it up though
     
    #33 bisco, Mar 19, 2021
  14. ChapmanF

    ChapmanF Senior Member

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    It isn't. Leads to problems with the canister and evap system.
     
    #34 ChapmanF, Mar 19, 2021
  15. ToyotaGal

    ToyotaGal Member

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    the gas gauge is off so if I didn't top it off I do not think I would have gotten a accurate full tank.
    Next time I won't top it off and see if I get a true full tank.
    If the canister gets clogged again, then I only have me to blame lol
     
    #35 ToyotaGal, Mar 19, 2021
  16. ChapmanF

    ChapmanF Senior Member

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    Good thinking. The car is never harmed by not getting a "true full tank".
     
    #36 ChapmanF, Mar 19, 2021
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  17. SFO

    SFO Senior Member

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    Wondering if this would cure my lower MPGs now o_O
     
    #37 SFO, Mar 19, 2021
  18. ToyotaGal

    ToyotaGal Member

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    How low is low. If i wasn't gliding, then it would probably been in the low 50's. In the beginning after I left the station.I was not gliding.
     
    #38 ToyotaGal, Mar 19, 2021
  19. sam spade 2

    sam spade 2 Senior Member

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    BUT you might not for very long.
    Hasn't somebody mentioned in this thread that "topping off" could have CAUSED the problem in the first place ????
     
    #39 sam spade 2, Mar 20, 2021
  20. sam spade 2

    sam spade 2 Senior Member

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    Another note:
    Most cars are NOT designed to have a "true full tank"......ever.
    The design leaves some dead air space at the top on purpose but that space is included in the figure given for "tank capacity".
     
    #40 sam spade 2, Mar 20, 2021
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