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ICE not running -- Car stuck on forest road

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by cyberpriusII, Sep 21, 2014.

  1. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    I believe all those codes are bogus
    POAOF -engine did not start
    p3191 - engine did not start
    1421 Stupid solar sensor fault
    B1207 Certification ECU Communication Malfunction

    Can you think back and tell me if you might have put the car in D before you got a ready light?
     
  2. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    Anything is possible...I might have...

    I got in car. Pushed button started driving. Everything was fine for about 20-30 seconds....
     
  3. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    I hate to admit anything....but UART did voice what I have been wondering about.....if any of those little rascaly rodents might have had a paw in this...

    A bit of chewed insulation from a wire....
     
  4. uart

    uart Senior Member

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    I definitely don't think P0A0F or P3191 are bogus here. That sounds exactly like the problem Kris reported. Sure it appears to have magically cured itself for now. But I believe that there is an underlying issue, and those two codes are definitely pointing the way.
     
  5. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    By bogus I mean not recurrent or not hard faults. Yes, the engine did not start but, why? I am convinced its similar to what I've seen in my old Gen I when you put the car in D before the ICE starts. If you do this, the car will revert to Out of Gas mode and give you these faults. Of course in the Gen II, the ICE doesn't start right away so, I'm thinking the car was put in D before the ready light was given and the same symptoms occurred. I know you all think I'm crazy but, I observed this more than once.
     
  6. JC91006

    JC91006 Senior Member

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    LOL. OK who thinks this guy is crazy?
     
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  7. JC91006

    JC91006 Senior Member

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    If there are no codes and everything seems normal, I would clear the entire system and wait for it to reappear. See if they come back. Then trouble shoot from there.

    USNavy is not crazy, he likes the simple approach to things. Which many times is what is needed and don't over analyze the situation.
     
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  8. SageBrush

    SageBrush Senior Member

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    Clearing the codes and going for a drive near home but for a good 15 minutes sounds reasonable to me too, but at the end I would hook up the VCI and check inverter and engine temperatures.
     
  9. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    New development.

    I have attached a photo of what appears to me to be dried coolant behind the bottom pulley -- the one closest to the ground -- that the serpentine belt goes around. I looked at that spot many times in the past couple of days, but guess I missed it. To be honest, I was looking for chewed wires.

    Not sure how well you can see it in the pix, but it is pink, dried. The fresh wet droplets are fresh coolant that came off the radiator cap, which I had just taken off a minute or two before I took the picture. Any chance that this caused all this...
    coolant.JPG
     
  10. writes123

    writes123 Junior Member

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    that's the Engine Water Pump that looks like it could use a replacement. I'm not sure of its possible connection to the codes though.
     
  11. edthefox5

    edthefox5 Senior Member

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    Hi Kris-
    Given the onslaught of meese attacks i would surely look in the engine air filter box for a huge mouse condo as you have reported finding contractors and ladders in there before.
    I'm sure the cabin filter looks like a luxurious Pullman Car by now too lol.
     
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  12. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    I would replace the engine coolant pump for sure. There is zero chance this caused your issue or those codes.
     
  13. Patrick Wong

    Patrick Wong DIY Enthusiast

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    1. Replace the engine coolant pump at your earliest convenience, but that was not the cause of the engine no-start issue

    2. Make sure your fuel tank level remains above three bars at all times

    3. Inspect the wiring to the fuel injectors and the spark igniters for damage. Inspect the wiring harness that comes out of the firewall (which leads to the engine and hybrid vehicle ECUs located behind the glove compartment) and follow its entire length along the engine, looking for faults.

    Remove the lower glove compartment (as if you were going to replace the cabin air filter) and check the portion of the wiring harness which can be seen, connecting to the engine and hybrid vehicle ECUs.

    4. Remove the engine air cleaner housing cover for access. Check the throttle body interior and throttle plate and if you see black gunk on those parts, clean using the minimum possible amount of throttle body cleaner. Do not contaminate the mass air flow sensor mounted to the side of the air cleaner housing.

    The throttle body cleaner can instructions will encourage you to spray much of the can into the engine while the Toyota recommended policy is to spray some cleaner on a clean cloth and use that to scrub off the deposits. This implies you remove the entire air cleaner housing for access. The reason to use the minimum amount of cleaner is that the dirt-laden fluid can flow along the throttle shaft, enter the throttle shaft motor and cause problems.

    5. Remove the mass air flow sensor and clean with MAF sensor spray. Do not use throttle body cleaner because that contains a lubricant which will contaminate the sensor.

    6. Clear the DTC, take the car on a reasonably long drive, and see if the fault codes come back. You need to have this resolved before you embark on a long road trip.
     
    #53 Patrick Wong, Sep 26, 2014
    Last edited: Sep 26, 2014
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  14. DaneH5

    DaneH5 Member

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    I just wonder where is your belt?
     
  15. Patrick Wong

    Patrick Wong DIY Enthusiast

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    A tiny portion of the serpentine belt can be seen in the upper right photo, as it wraps around the idler pulley. The belt does not run all the way around the engine coolant pump pulley. Rather only a portion of the pulley is contacted by the belt.
     
  16. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    Can't find any chewed wires. I spent a long time looking. did it three times. Once yesterday (Saturday) evening. Once Sunday morning and once Sunday afternoon.

    I have a standing appointment with Toyota in the morning. I DO need to have the water pump replaced. It looks easy enough, and I am tempted after reading Patrick's post.

    But, I do have to drive out to Iowa, so I am going to take the Chicken route and have the dealer do it. If the pump were not going out, I would probably not take it in and would mess around with it some more myself.

    And I will have them check around for the no-start problem....I have a suspicion that Patrick may be on to something with the MAF.

    And, if I was more courageous, I would clean it today, but am just a bit scared of going against my Chilton's manual and not replacing the O-Ring -- but both EXMETRODRIVER and PATRICK sound both totally reasonable in this post: Cleaning MAF -- need new O ring? | PriusChat

    So, don't hate me for not pulling off the MAF -- it's totally a Kris thing....and if I did not have to drive to Iowa, I probably would go ahead and do it.

    SO, my question now. When I go in to be fleeced -- err helped -- on Monday morning, do I give the dealer the list of codes I pulled with the mini-vic. I would imagine they would ignore them and do it themselves anyway....

    And, just tell them:

    1) The engine water pump is leaking

    2) The ICE failed to start one time a week ago, but has started everytime since.
     
  17. Patrick Wong

    Patrick Wong DIY Enthusiast

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    1. OK to have the dealer replace the engine coolant pump since that clearly needs to happen. It actually is not quite that easy if you are a novice at auto repair - other PC members have had difficulty especially with loosening the lock nut on the idler pulley and removing the pump pulley bolts - not to mention refilling the engine coolant system and getting all air out.
    2. If you don't have any current DTC logged or warning lights then it is unlikely the dealer tech will do anything besides add one hour of labor time to your repair invoice and report "No trouble found. Customer advised to return if her engine no-start problem reappears."
     
  18. DaneH5

    DaneH5 Member

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    I would hate to think what they will charge for the pump. And it looks to be right there!!

    I don't know why you would need to change a o-ring if it isn't damaged or compressed in some way.
     
  19. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    I am pretty much betting you are right!

    If so, I WILL buy a new O-ring and go ahead and clean the MAF myself.
     
  20. SageBrush

    SageBrush Senior Member

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    What O-ring ?
    Addendum: Now I remember. Sorry
     
    #60 SageBrush, Sep 28, 2014
    Last edited: Sep 28, 2014