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  1. S

    Engine oil?

    Yo yo, i have a 2002 protege5 with just over 200K what kind of engine oil would you recommend? Cheers, Dylan
  2. S

    Po421?

    I just got a PO421 for the fourth time and finally, i am giving into the fact that i cant just keep resetting my cel. I need to do something about it. What have you all done to make this problem go away? I'm thinking of just going cat-less soon, so is there a way i can relay the catalytic O2...
  3. S

    Wierd Idle?

    Thanks! i actually just had a PO421. So i just wiggled the pre cat O2 sensor and boom. Fixed! But i will try the premium. Thank you!
  4. S

    Wierd Idle?

    When i'm idling at a stop light my P5 shakes and idles just above 0 all the way to 500. What is going on and how do i stop this?
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