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Highway driving possible problems

Discussion in 'Gen 2 Prius Technical Discussion' started by Caleb1122, May 22, 2019.

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  1. Skibob

    Skibob Senior Member

    Joined:
    Sep 14, 2018
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    Location:
    Northern California
    Vehicle:
    2006 Prius
    Model:
    N/A
    178,000 miles is kind of a low mileage to have low power problems. I wonder what his compression looks like?
    I wonder when his plugs were last changed? Air filter? Cleaned MAF and throttle body?
     
    #21 Skibob, May 27, 2019
    jerrymildred likes this.
  2. Caleb1122

    Caleb1122 Junior Member

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    Location:
    Northwest florida
    Vehicle:
    2007 Prius
    Model:
    Touring
    My engine doesn’t burn a lick of fluid between my 5000 mile oil changes. Would imagine the compression is at least ok since it’s not burning oil. Valves could be leaking but from my experience on other motors that’s probably not the case. The car doesn’t feel underpowered at all. I’m just going to have to plug my obd2 reader and see what the system is doing. The app I have engine link can show battery voltages and what not so I’m thinking it will show me some info that may help.
     
    #22 Caleb1122, May 27, 2019
  3. landspeed

    landspeed Active Member

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    Strawbrad’s post is the one to look at, it makes more sense that the engine isn’t producing enough power

    If you have a scan tool and an app that shows live data, you could get clues, such as seeing that at 70 it is constantly draining the battery, or a difference between requested and actual engine rpm, or other things such as the engine overheating; there are many different parameters that could help narrow down the issue.
     
    #23 landspeed, May 28, 2019
    jerrymildred likes this.
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