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After egr cleaning codes remain didnt fix shaking/stall

Discussion in 'Gen 3 Prius Technical Discussion' started by William11348o, Aug 16, 2023.

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  1. William11348o

    William11348o Junior Member

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    A couple of corrections. The traction battery charging the 12 volt battery with 14 volts happens in EV mode, not in IG on. Better yet on the heads up display the bars are grey. I was referring to the color display in Car option. Sitting in the driver seat the color of the last two bars is purpleish when only 2 bars left, but looking from the passenger side they are cyan.
     
    #41 William11348o, Oct 3, 2023
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  2. William11348o

    William11348o Junior Member

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    Yes the same codes, now permanent, but i can unplug the MAF and reproduce the codes as current. Message 23 has data list for engine.
     
    #42 William11348o, Oct 3, 2023
  3. William11348o

    William11348o Junior Member

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    Took a break from this job to re-assess. Gen 3 prius has denso MAF and toyota tells me this is an after market product. Is this true? Should I buy the toyota MAF for $200 or stick with the Denso?
     
    #43 William11348o, Oct 27, 2023
  4. William11348o

    William11348o Junior Member

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    if any one is still interested, when testing EV mode today, my prius decided to run the engine for under 1 minute and then started to shake violently again. Any clues? Still looking more closely for wiring damage. Gas, spark and air all available but I wonder if they are insufficient to run ICE. More later.
     
    #44 William11348o, Nov 3, 2023
  5. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Has the miles on it been asked and answered?
     
    #45 Mendel Leisk, Nov 3, 2023
  6. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Dang, double post got me.
     
    #46 Mendel Leisk, Nov 3, 2023
  7. William11348o

    William11348o Junior Member

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    #47 William11348o, Nov 3, 2023
  8. William11348o

    William11348o Junior Member

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    #48 William11348o, Nov 3, 2023
  9. William11348o

    William11348o Junior Member

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    #48 William11348o, Nov 3, 2023
  10. William11348o

    William11348o Junior Member

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    #49 William11348o, Nov 3, 2023
  11. William11348o

    William11348o Junior Member

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    #50 William11348o, Nov 3, 2023
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  12. William11348o

    William11348o Junior Member

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    Not my double thread I hope. I thought it had been merged. Anyway, the MAF problem is resolved but the engine still wont run normally.
     
    #51 William11348o, Nov 3, 2023
  13. William11348o

    William11348o Junior Member

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    Not my double thread I hope. I thought it had been merged. Anyway, the MAF problem is resolved but the engine still wont run normally. I'm wondering if I have an air leak somewhere too.
     
    #52 William11348o, Nov 3, 2023
  14. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    No, just the dang posting hang.

    you’re not getting misfire code (P0300~P0304)? But misfire symptoms. 130k a little early, but head gasket failure happens with tedious regularity, anywhere beyond 110k, typically 150k and onward.

    the EGR and intake was cleaned when?
     
    #53 Mendel Leisk, Nov 3, 2023
  15. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Double post agin. o_O
     
    #53 Mendel Leisk, Nov 3, 2023
  16. ChapmanF

    ChapmanF Senior Member

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    I try so hard to avoid double-posting. But it seems even I can be fooled on those occasions when CloudFlare gives up before I do.
     
    #54 ChapmanF, Nov 3, 2023
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  17. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    I sometimes just have a lapse, push the button twice. Works anywhere else on the web.
     
    #55 Mendel Leisk, Nov 3, 2023
  18. rjparker

    rjparker Tu Humilde Sirviente

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    There seems to be some uncertainty with observations.

    1. There were no problems until the engine suddenly shook and stalled when driving downhill?

    2. Has there been work on the hybrid battery since you owned it?

    3. When the engine does not start does it turn over for 10 seconds?

    4. How was the maf problem resolved?

    5. Did you just have a birthday?
     
    #56 rjparker, Nov 4, 2023
  19. William11348o

    William11348o Junior Member

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    I'm not getting any codes except the permanent ones (CA style) for MAF, IAT and P3190 which which should go away after I get the engine running. Checked cylinders with borescope but didnt see signs of steam cleaning the piston tops and coolant wasnt low. Checked spark with a high voltage tester on all 4 cylinders. Did change plugs to NAPA irridium. Maybe I should put old plugs in which look new.
     
    #57 William11348o, Nov 5, 2023
    Last edited: Nov 5, 2023
  20. William11348o

    William11348o Junior Member

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    When the engine first died I cleaned the egr assembly, air intake manifold, throttle body and pvc. Added oil catch can. Then proceed to fix MAF which turned out to be corroded connector to inverter.
     
    #58 William11348o, Nov 5, 2023
  21. William11348o

    William11348o Junior Member

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    When the engine first died I cleaned the egr assembly, air intake manifold, throttle body and pvc. Added oil catch can. Then proceed to fix MAF which turned out to be corroded connector to inverter.
    I set a new record for me.
     
    #59 William11348o, Nov 5, 2023
  22. William11348o

    William11348o Junior Member

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    When the engine first died I cleaned the egr assembly, air intake manifold, throttle body and pvc. Added oil catch can. Then proceed to fix MAF which turned out to be corroded connector to inverter.
    I set a new record for me.
    Not recently. But I was going to pick up my wife.
     
    #60 William11348o, Nov 5, 2023
    Last edited: Nov 5, 2023
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