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tune up

  1. E3 spark plugs

    General Maintenance, Troubleshooting & Accidents.
    I am looking to do a tune up on my 06 wrx this weekend, and am curious if anyone has used the E3 spark plugs. They're supposed to give a better burn increasing fuel economy and hp. I would install them on a n/a vehicle in a minute, but not sure if they are the right thing for my wrx.
  2. Tune Up/Coil Question

    General Maintenance, Troubleshooting & Accidents.
    I have a 2002 WRX Wagon that just coded for a #3 Cylinder misfire (it has been idling rough lately) When I look up the prices for a coil 'pack' & I see $90 - $110 is that for all 4? Or for EACH one? What parts should I get for a tune up? Plugs, wires(?) and just the misbehaving coil (if that...
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