Any input greatly appreciated
 

09 Manual Transmission
Stillen Gen 3 intakes
FI non res exhaust
Non res test pipes

My car doesn't get driven as much anymore, mainly bc I have a truck now too but also bc who wants to drive a car that isn't running right..my SES light is on and has been for a while now, so I'm going to try to get everything back running properly; been idling high and not shifting right when accelerating from 1st-2nd and when coming to a stop. Just doesn't drive smooth anymore since that light has been on. Has anyone found the fix for the P0300 code (I think is what it's throwing, I could be mistaken). I've read many posts about this problem but never have found the certain fix. I'm going to read the code, tighten all connections on the intakes & exhaust pipes, clean the MAFs, change the gas cap, clear the code & hope it runs right and doesn't come back on.
IF that doesn't work I guess I could take it to a dealership or a shop but really not wanting to do that. I've also heard it could be coil packs/spark plugs etc.
FINALLY...if that doesn't work would an UpRev tune clear this code out for good (probably need the tune either way is that right?)

I want to get my baby back up and running right, I hate driving it how it is at the moment. Any input would be helpful. Thanks in advance!


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You will need to get a tune based off of the 3 breather mods that you have. Hope this helps good luck.