DarkiSt Posted November 15, 2012 Share Posted November 15, 2012 https://www.youtube.com/watch?v=R_D_PnVUzFw Anyone know what's causing this problem? I'm waiting on a few parts (an ignition coil, 4 spark plugs and an air filter) but I'm not sure if those will solve it for sure. It wasn't anywhere near this bad before...At first I only noticed the car shaking like it was about to stall when I slowed down to around 5kmph to 10kmph but anything above that speed was fine. I stopped using the car for about 2 weeks while I was waiting on some parts to be shipped here (I'm in the Caribbean). I started the car again today and this is what's happening now.. it got a lot worse! Any ideas on how to begin solving this? The CEL code is P0031 (Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1)) but this code popped up ever since I replaced my stock intake with a K&N typhoon. What do you guys think is the problem here, given the symptoms shown in the video? The last part of the video is showing that the car isnt revving past ~2000rpm even though I'm almost flooring the gas. Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted November 15, 2012 Moderators Share Posted November 15, 2012 take off the intake for starters. other than that I have no idea. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
DarkiSt Posted November 15, 2012 Author Share Posted November 15, 2012 I forgot to mention that I did take the K&N intake off and put the OEM airbox back to try to narrow down the list of possible problems. The video is with the OEM filter installed, not the K&N. I also sprayed a bit of MAF cleaner on the MAF sensor after putting the OEM filter back on since I think the K&N might have deposited a light layer of oil / dirt onto the MAF sensor. Link to comment Share on other sites More sharing options...
Max Capacity Posted November 15, 2012 Share Posted November 15, 2012 I wonder if you knocked or broke the Front O2 sensor wire messing around with the intake. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
FJuan Posted November 15, 2012 Share Posted November 15, 2012 https://www.youtube.com/watch?v=R_D_PnVUzFw What do you guys think is the problem here, given the symptoms shown in the video? The last part of the video is showing that the car isnt revving past ~2000rpm even though I'm almost flooring the gas. This sounds like the O2 sensor is dead. You can test the sensor on the car with an OHMs test, search YouTube for testing the O2 sensors. I've done it before and it's fairly easy to do. Also, did you reset the ECU when taking out the K&N? My wife's balls are delicious. Link to comment Share on other sites More sharing options...
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