legacy603 Posted July 14, 2014 Share Posted July 14, 2014 My question is after I do plugs and wires where is the cheapest place to get coils just in case and what do I gap the new plugs to? Link to comment Share on other sites More sharing options...
lmdew Posted July 14, 2014 Share Posted July 14, 2014 Before you even start, use only NGK and or Subaru Plugs and wires. - you can swap wires 1 to 3 and see if the fault follows. - Plugs, if you are going to pull them you may as well change them. - Could be a fuel problem as well, think fuel filter, injector. The Injector can be swapped. You didn't provide the year and head configuration. Mileage would also be helpful. Subaru coils hardly ever fail and I'd go used Subaru over aftermarket. I have plenty of 96-99 DOHC coils. $25 shipped. Link to comment Share on other sites More sharing options...
idosubaru Posted July 14, 2014 Share Posted July 14, 2014 The misfire may also be caused by oil in the spark plug tube. In that case replace the spark plug tube gaskets (and valve cover gaskets since it has to come off to do it. In that case you don't need any spark plugs/wires/coils. Otherwise, about the coils. used, they don't fail often enough to warrant new prices. use the OEM NGK plugs Subaru or high quality wires (these engines aren't very forgiving of lower grade ignition stuffs. In general it would be good to verify what engine you have - year/model EJ25. Link to comment Share on other sites More sharing options...
legacy603 Posted July 14, 2014 Author Share Posted July 14, 2014 Sorry I forgot the year its a 97 legacy LSI and I'm prying its only electrical if it goes as far as fuel I'm already doing the filter this week along with techron and I only run 93 for gas and it only has 126k and 26 on the rebuild Link to comment Share on other sites More sharing options...
legacy603 Posted July 18, 2014 Author Share Posted July 18, 2014 Alright I got my new wires from Subaru today and I ordered the double platinum plugs well I'm at it is there anything else I should look in to or just swap out the plugs and wires and see where it ends up Link to comment Share on other sites More sharing options...
johnceggleston Posted July 18, 2014 Share Posted July 18, 2014 and I ordered the double platinum plugs i do not think these are specified in the owners manual.?????????? they nay be fine, but if your problem is not correcterd, you will not know if it is the plugs or something else. Link to comment Share on other sites More sharing options...
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