Diagnostic codes P0301, P0441, P0455, P0505

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by cooldyood, Mar 24, 2018.

  1. cooldyood

    cooldyood Junior Member

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    My 2006 Prius has had it's check engine light on for about a year. I've continued to drive it, though!

    Today it failed state emissions inspection with diagnostic trouble codes: P0301, P0441, P0455, P0505. Attached is a screenshot of the report.

    Any idea if these are going to be expensive fixes? I'm trying to decide whether to keep the car or buy a new one.
     

    Attached Files:

  2. Dxta

    Dxta Senior Member

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    Basically, it's talkiyabout your evaporative mission system; misfires on cylinder one, and a speedomer readins has some issues. I don't think they'd be all that expensive. Depends what the reasons are for the misfire on cyl1, vis-à-vis.
     
  3. cooldyood

    cooldyood Junior Member

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    Called a mechanic who said that the codes are possibly related to different issues.. he said it'll be a few hours to diagnose the issues.
     
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