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Battery dies after oil change??

Discussion in 'Gen 2 Prius Technical Discussion' started by Eddie26, Jun 13, 2019.

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  1. Eddie26

    Eddie26 Junior Member

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    As you guys mentioned there was oil but it was so clean that I couldn’t see it, Techstream is giving me P0A80, B1200,B1207,B1271
     
    #21 Eddie26, Jun 19, 2019
    Last edited: Jun 19, 2019
  2. strawbrad

    strawbrad http://minnesotahybridbatteries.com

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    Your battery has been run down because the engine stopped running after the oil change. The most likely cause is dirt on the MAF sensor.

    Clean the MAF sensor and try to start the car. The battery might now be too run down to turn the engine over. If that is the case you could open the battery up and give each module just a 200 mAh charge. That won't take too long and will be enough to turn the engine over.
     
    #22 strawbrad, Jun 19, 2019
  3. Eddie26

    Eddie26 Junior Member

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    Cleaned MAF, charged the battery drove for 0.5 mile on electric motor and yet the gas engine is not tuning on. So frustrated and so tired of this game any last suggestions!!!
     
    #23 Eddie26, Jul 12, 2019
  4. bisco

    bisco cookie crumbler

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    no idea on how you can drive a half mile in ev with a bad battery
     
    #24 bisco, Jul 12, 2019
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  5. strawbrad

    strawbrad http://minnesotahybridbatteries.com

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    Try a little starting fluid to get the engine to fire up.
     
    #25 strawbrad, Jul 12, 2019
  6. edthefox5

    edthefox5 Senior Member

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    Your hybrid battery is bad.

    I can tell you one thing for 100% sure stop test driving it because If you continue to drive, test or do anything with the car in ready without the engine starting it will kill the hybrid battery pretty quick and then you will have nothing. The hybrid battery starts the engine. It powers the motor generator #2 to turn the engine over to fire it up. Dead hybrid battery=Car is a paperweight.
     
    #26 edthefox5, Jul 13, 2019
  7. fotomoto

    fotomoto Senior Member

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    Yeah, like I said, BTDT. Easy to do and caused me to overfill a car one time. <grrr>

    You'll need to decide whether you want to (listed in order from least to most both in terms of costs and reliability): repair yourself, get a used/rebuilt pack, replace with all new aftermarket modules (cells), or get a new Toyota pack.

    GOOD LUCK!
     
    #27 fotomoto, Jul 13, 2019
  8. Eddie26

    Eddie26 Junior Member

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    I charged the battery before driving giving 2 amp/hour for each module, tested all modules all but 2 of them were reading 7.9V, cycled those 2 modules got 5.5+ amp/hour, how would it be the battery now??
     
    #28 Eddie26, Jul 14, 2019
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  9. strawbrad

    strawbrad http://minnesotahybridbatteries.com

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    You are correct. The problem is your engine is not running. Have you tried starting fuel yet? That will tell you is the problem is fuel or not.
     
    #29 strawbrad, Jul 14, 2019
  10. fotomoto

    fotomoto Senior Member

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    With multiple attempts, shouldn't there be engine related codes by now?
     
    #30 fotomoto, Jul 14, 2019
  11. Eddie26

    Eddie26 Junior Member

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    So just a long due update, sorry I was lazy to post but finally had that moment.
    So I towed the car to the dealer after the car have been sitting in my driveway for 2 months, the Toyota dealer tells me your engine is dead you need a new engine.

    If I said this to my kids, they would say you are a big fat lier, but guess what, ordered a used motor lined up a mechanic to do a job and on my way to the mechanic by neighbor was helping me get the car on the U-Haul the car makes a sound and it happens the engine worked after a total of 3 months in the driveway.

    My theory either as you all told me the oil was too high but I was ignorant to take some out or something was lose and the process of getting it on the U-Haul made it work, I have no idea. Just to add I charged both the 12v and the hybrid battery to the max over 48 hrs before the last tow attempt. I used the cheap version of a 275V 1 amp LED charger with a home fan in my garage, cheap stuff $35.
     
    #31 Eddie26, Jun 22, 2020
  12. fotomoto

    fotomoto Senior Member

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    Thanks for the update.

    If still on the original HV battery, this does not bode well for (what's left of) its longevity; especially a battery that's already failed and been repaired (OP). Be ready for future code/failures or get a new pack.

    GOOD LUCK!
     
    #32 fotomoto, Jun 22, 2020
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