Catalytic got stolen but now my car smells of burnt oil

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Miguel Olivares, May 30, 2023.

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  1. Miguel Olivares

    Miguel Olivares Junior Member

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    hey all. my cat got stolen, was replaced with an aftermarket.

    i noticed when i went underneath the hood there were some hoses that were cut.

    now, whenever i drive on the highway, or turn on ac, i get these really bad smell of burnt oil fumes. everytime i drive my car for at least an hour, i wake up with a. headache the following day.

    i will try to upload a video to show the hoses that were cut

    if you notice on the right side, there are two hoses that were cut


    what do y’all think is happening?
     

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    #1 Miguel Olivares, May 30, 2023
  2. PriusCamper

    PriusCamper Senior Member

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    I'm not aware of any hoses that would be that close to heat shield over the exhaust header... I think the problem you're having is the person who replaced with aftermarket had a shorter replacement cat than needed and its causing your flange gasket to leak where cat connects with the exhaust header. This usually means a slightly different sounding engine and the engine compartment will smell like a 1970's car that does not have a catalytic converter. If that's the source of the problem take it back and make them fix it because they failed on the first attempt.
     
    #2 PriusCamper, May 30, 2023
  3. SFO

    SFO Senior Member

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    Do you still have the 2008 gen2 listed in your profile?
     
    #3 SFO, May 31, 2023
  4. fotomoto

    fotomoto Senior Member

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    The hose I see looks like the a/c drain. AKA: normal.
     
    #4 fotomoto, May 31, 2023
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