need some help again...please

Discussion in 'Modifications And Maintenance' started by 99legacy, Dec 11, 2006.

  1. 99legacy
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    99legacy New Member

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    same as before
    99 legacy
    170xxx

    took it to the dealer today and had the 150xxx tune up, coil packs etc. they said that it was still hesitating im supposed to bring it back on wed, and they are going to do a full dignostic check of the car. just wondering if anyone has input on what it could be. they also checked the O2 sensor and it looked fine, replaced fuel filter, and air filter.

    once again thanks!
    aaron
     
  2. illegal2.2
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    illegal2.2 Well-Known Member

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    i know that the 2.5dohc has a hesitation problem also. please explain aaron?


    choung
     
  3. AWDimprezaL
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    AWDimprezaL has more posts than you

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    im gonna take a guess and say knock sensor, price if anywhere from 63.00 -93.17
     
  4. 99legacy
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    99legacy New Member

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    most of it worked itself out on the drive home, and was really bad when leaving the dealer, now there is a lack of power on the low end, either from a rolling stop or a dead stop, i know its not a performance car and is older but there should be some balls there, its goin back to st. cloud suby tommorow and they are going to do their flow chart to try and find the problem if any, ill update tommorow, and answer any other questions

    as for AWDimprezaL wouldnt a knock sensor cause the check engine light to come on???

    and once again thanks you guys!! this club has a great wealth of knowledge here.

    aaron
     
  5. 99legacy
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    99legacy New Member

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    just called the shop they think that its a mass airflow sensor, but not sure yet.... will update when i get more details
     
  6. 99legacy
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    99legacy New Member

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    its a knock sensor 150