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  1. Misfire that’s driving me crazy

    Mechanical Problems & Technical Chat
    Hey guys. I have a 2014 Si with 67,131 miles. And lately I’ve been getting this misfire randomly where I can be taking off from a light and then all of sudden I get loss of power, low rpms that won’t go past 4000 and it sucks when I’m trying to merge into traffic or turn. Plus I live in Miami...
  2. How to turn off misfire detection with Ktuner

    ECU Tuning
    How do you turn off misfire detection with Ktuner?
  3. Engine Hesitates Even on Reflash?

    Mechanical Problems & Technical Chat
    Hey everyone, Installed my buddy club downpipe last week before I got my flashpro. Had the defouler in, car ran smooth and pulled nice. Got my flashpro yesterday and loaded on the hondata reflash, as disappointingly there were no base maps for someone with just a downpipe. Anyways, today as I...
  4. My Si just sputtered to a stop in the middle of the road.

    Mechanical Problems & Technical Chat
    Hey guys im kind of in a pickle here and need some advice on where to start on isolating this issue. -for some backstory- I drive my 2012 Civic Si to work every day on the interstate for about 14 miles then back. I've owned the car since October and purchased it as a salvaged title with 45,000...
  5. HELP!! Limp mode, CEL, check all systems, after dyno tune w/RBC + PRL kit

    Mechanical Problems & Technical Chat
    Hey guys, gotta reach out for some help here. I just got PRL kit installed with RBC and ZDX TB. It was tuned to 224hp + 191 torque, sounded good on the dyno, too. As soon as I take it out, after winding out a couple gears to see what my mods have got me, i was turning around and as I...
  6. Engine misfire WOT at low RPM

    Mechanical Problems & Technical Chat
    Hi all, I had something strange happen with my new(ish) < 12000 miles civic si 2013 just now and was hoping someone could provide some insight. I was going around 25 and put it in 6th gear and floored it (was testing clutch for slippage) Granted, I know this isn't good for a engine, but here's...
  7. 12 Civic Si Sedan Cylinders Misfire + Dealer Visit Outcome

    Engine, Engine Swaps, Pulleys, Injectors
    Hey Guys, I am going to share my mishaps from yesterday. Keep in mind the following:I just bought the car brand new in Jan 2012. I did an oil change about a week ago, Mobil synthetic 0W-20 w/Filter and the car has approx 6600 miles. So i am driving back from work on a Sunny Sunday afternoon. I...