Injen Intake Issue

Discussion in 'Gen 3 Prius Accessories and Modifications' started by seoden88, Oct 4, 2018.

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  1. TheChip

    TheChip Senior Member

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    What makes you believe you damaged it? It's a very delicate sensor, but the sensor is protected unless you go poking at it.
     
    #21 TheChip, Oct 7, 2018
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  2. Georgina Rudkus

    Georgina Rudkus Senior Member

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    The MAF sensor is directional. I marked mine before disassembling the OEM system. I don't think the INJEN's mount allows it to be installed in one direction.

    It could be that it was mistakenly installed backwards.
     
    #22 Georgina Rudkus, Oct 7, 2018
  3. TheChip

    TheChip Senior Member

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    You are correct, although if you just use one screw to secure it you could make it work. Installing it backwards would definitely cause these issues.
     
    #23 TheChip, Oct 7, 2018
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  4. Mendel Leisk

    Mendel Leisk Senior Member

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    Ok, sorry. Looking at the pictures, couldn't see anything.
     
    #24 Mendel Leisk, Oct 7, 2018
  5. TheChip

    TheChip Senior Member

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    IMG_20180510_182136944_HDR.jpg
    Thought I had uploaded this previously. Red circle is where the sensor is installed on the opposite side of the pipe.
     
    #25 TheChip, Oct 7, 2018
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  6. seoden88

    seoden88 Junior Member

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    I ordered s new sensor so here’s to hoping it’s just a bad sensor I should get it today hopefully that fixes it
     
    #26 seoden88, Oct 8, 2018
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  7. seoden88

    seoden88 Junior Member

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    New sensor, light came back on... think PCs valve is messed up?
     
    #27 seoden88, Oct 9, 2018
  8. bisco

    bisco cookie crumbler

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    try uninstalling the ingen and see what happen
     
    #28 bisco, Oct 9, 2018
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  9. audiodave

    audiodave Active Member

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    Go back to stock and see if it's fixed as bisco mentioned.

    Posted via the PriusChat mobile app.
     
    #29 audiodave, Oct 10, 2018
  10. Mendel Leisk

    Mendel Leisk Senior Member

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    Yeah, as previously mentioned: apparently the Injen allows you to install the MAF sensor in two orientations, only of which is right.
     
    #30 Mendel Leisk, Oct 10, 2018
  11. seoden88

    seoden88 Junior Member

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    I thonk before that I will replace pcv valve and try it if not I guess I’ll go back to stock but I also emailed Injen
     
    #31 seoden88, Oct 10, 2018
  12. TheChip

    TheChip Senior Member

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    The intake should have no reason to cause a MAF error like you're getting unless something is unplugged somewhere or it's installed wrong. If you didn't connect the intake properly you'd have a vacuum leak that may cause MAF errors.

    Hook it up to an OBD2 scanner and see exactly what's going on, and try going back to the stock setup to eliminate the possibility it's the Injen as mentioned above.

    IMG_20180510_182136944_HDR.jpg
     
    #32 TheChip, Oct 10, 2018
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  13. Georgina Rudkus

    Georgina Rudkus Senior Member

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    From the direction of the wire connector on the MAF sensor, it appears that the directional is correct. This is the same directional orientation in relation to the air flow that I have on the HPS.

    And, on two HPS installs on a 2012 and a 2018, I have seen no CEL issues.
     
    #33 Georgina Rudkus, Oct 10, 2018
  14. seoden88

    seoden88 Junior Member

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    So went to AutoZone bought some hoses and replaced almost all vacuum hoses and bought some starting fluid and sprayed around the hoses to see if I can get a rpm rise. No to all hoses except 1. Pcv hose. As soon as I sprayed it toward engine block I got a small increase in rpm so just gonna replace pcv valve and the hose
     
    #34 seoden88, Oct 11, 2018
  15. audiodave

    audiodave Active Member

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    Well that's definitely something that needs to be fixed. Good luck!

    Posted via the PriusChat mobile app.
     
    #35 audiodave, Oct 11, 2018
  16. seoden88

    seoden88 Junior Member

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    Update. So been in contact with injen. Sent pictures data etc and waiting on them to reply. Also went to Toyota and bought a pcv valve and hose. Replaced it no issue. Reset codes and cel came back on. Waiting on injens reply then probably just go back to stock. I’ve never had issues on an intake before this is crazy.
     
    #36 seoden88, Oct 17, 2018
  17. audiodave

    audiodave Active Member

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    It's worked without the code before?

    Posted via the PriusChat mobile app.
     
    #37 audiodave, Oct 18, 2018
  18. seoden88

    seoden88 Junior Member

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    Pcv valve yes. It almost time to change it anyway. Intake no. I’ve always had CEL with it
     
    #38 seoden88, Oct 18, 2018
  19. Georgina Rudkus

    Georgina Rudkus Senior Member

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    There is a simple easy way to check the PCV without taking it out and shaking or blowing on it.

    Remove the oil fill cap, place a rubber glove over the oil fill opening. A restricted or non-functioning PCV valve will cause the glove to inflate; indicating over pressure.
     
    #39 Georgina Rudkus, Oct 18, 2018
  20. seoden88

    seoden88 Junior Member

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    That’s interesting never tried that before. Was an easy replace anyway
     
    #40 seoden88, Oct 18, 2018
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