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  1. 2010-13 Mazdaspeed 3 News & Discussion
    My 2010 Mazdaspeed 3 (114k miles) had recently developed a misfire in cylinder 4. Changed spark plugs and cylinder 4 was pretty rough looking. Swapped around the coils to make sure that wasn't the cause of the misfire and sure enough, the misfire stayed on cylinder 4. I knew the injectors needed...
  2. 2014-2018 Mazda 3 Skyactiv Discussion
    My daughters Mazda 3 is throwing the P0012 code, CEL, and running rough, lack of power, etc.. And I can't figure it out. Car history is she has had it from almost new (5000km), it has just over 60,000km (37,000 miles), running synthetic since first change, and changed at 8000km (5000m). The...
  3. 2010-2013 Mazda 3 & Skyactiv Discussion
    Hi All - (Hope this is in the right section) I added sound deadening and soundproofing material to my 2.5L hatch following this DIY write-up (Cheaply and effectively sound deadening your 2010-2013 Mazda3) and disconnected the battery prior to disconnecting the airbag connectors under the seats...
  4. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    Last June the CEL came on in my 2014 (Japan) with P2183 and P011A codes (original post can be seen here). Codes were cleared and the CEL didn't come back on until this July (just a bit more than 1 year later)...cleared the codes again, but the CEL with the same codes came back. Replaced the ECT2...
  5. 2010-2013 Mazda 3 Engine and Performance
    2012 Mazda 3i Skyactiv, 135,000 miles. During normal acceleration the CEL starts to flash and the traction light comes on solid. Engine has a code for Misfire Cylinder #3 Dealer wasn’t for sure why I was getting a misfire code. The software was upgraded to help the misfire issue. Fuel...
  6. 2010-2013 Mazda 3 Engine and Performance
    Hello forum. I have a 12 Mazda 3 Skyactiv 2.0L. Coming back from work today I was passing an unsospecting Fiesta. Pushed through second and third and hit redline at 7K both times (I’m OVTuned). I was in manual mode. Right after shifting to 4th, the christmas tree lit up. CEL flashing, and the...
  7. 2014-2018 Mazda 3 Skyactiv Discussion
    Looking for some assistance with a 2014 Mazda 3 w/ ~51K miles. TPM came on. Tire pressure seems fine to me, but hold in the button and it won't reset. Cruise Control begins working intermittently when check engine light came on. Code is P0504, Brake Switch A / B Correlation. All three brake...
  8. 2010-2013 Mazda 3 & Skyactiv Discussion
    Hey guys so recently as of yesterday my CEL came on in my 2016 3 at 31,000. I checked the code and it was P0171 running too lean. I checked to see what the possible causes were and from what I've read there's a lot, MAF, MAP, PCV, fuel injectors, ect. So just to narrow down my search. What...
  9. 2010-2013 Mazda 3 Engine and Performance
    Does increasing the gap kill coils? CEL light, code P0304 (ignition misfire #4 cyl) a month after replacing spark plugs. I pulled the new plugs and verified the local mechanic left the gap at .044 on the correct NGK's, same as at the Mazda dealer. Autozone specs at .044 now, the service guy at...
  10. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    Check Engine Light: P2183 and P0110 Got a CEL when I started my 2014 a couple of days ago, the codes are P2183 and P0110; as far as I could tell the car behaved normally. I reset the CEL codes earlier today with an OBDII reader and went for quick 20min ride and the CEL stayed off. Anyone...
  11. 2004-2009 Mazda3 Discussion
    I'll try to make this quick to the point I have a 05 Mazda 3 hatchback 2.3 AT 103K and slowly the car has been running more and more rough, rough idle hesitating and I have 8 yes 8 cel codes they are P0138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2 P0139 O2 Sensor Circuit Slow Response...
  12. 2014-2018 Mazda 3 Skyactiv Appearance & Interior
    Hi, I was hoping someone can help with a quick question about the warning lights on the instrument cluster. I just bought a 2014 Mazda 3 and didn't notice this at the time, as I just started the car from off to engine running. If I use the push start to turn the car on so all the accessories...
  13. 2004-2009 Mazda3 Discussion
    Hello! Recently my ’04 2.0L Mazda3 went up against some serious flooding and the knock sensor was damaged/shorted-out via CEL/error code P0328. I have been researching parts online but am a bit confused. I see there is the knock sensor itself as well as a "connector". Can someone tell me what...
  14. 2010-2013 Mazda 3 Engine and Performance
    Hello all, Today, I had started my car for the second time as I was leaving the gas station and I had a CEL. I didn't notice anything weird with the car, no unusual sounds, no shuddering or anything like that so I drove it straight to an O'Reillys to get it diagnosed. When there, their scanner...
  15. 2007-2009 Mazdaspeed 3 Performance & Mods
    Whats up guys. New to the forum and new to Mazda ownership. I also have a Maxima and Ive owned multiple Subies. Bought an 07 MS3 2 weeks ago. 133 k on the body 5 k on the motor and clutch. Car is decently modified and was Freektuned to put down 350hp/torque to the wheels. Some mods...
  16. 2010-13 Mazdaspeed 3 Engine and Performance
    Hi everyone. I tried searching for an answer and got nothing definitive so I figured I would ask the experts. I apologize if this is covered somewhere else that I've missed. Anyway, I installed the Corksport TMIC upgrade (linked below) on my 2012 MS3 and ever since I'm getting the "P0101" DTC...
  17. 2014-2018 Mazda 3 Skyactiv Engine and Performance
    got CEL earlier today! Happened after I parked (i was inside the parking lot and properly parked when this happened.) After I parked, just organized myself to get ready but after a couple of minutes the engine suddenly stopped (See RPM in Image) and CEL light turned ON, also noticed that the...
  18. 2004-2009 Mazda3 Discussion
    her 2004 threw 3 codes :cursing 1: (P2187 x 2) and (P0455 x 1) Mazda said its the "Purge Solenoid part# LF66-18-74X". $135 w/tax anyone able to confirm it's not the "gas cap", or other? Is there a post on this already...? Using my phone, search function is a pain, but i'll look once I'm...
  19. 2004-2009 Mazda3 Discussion
    So the other day the CEL came on in my 05 hatch. I got the P0455 code which is an EVAP leak right? So I got a new fuel cap and the light didn't come on until last night. I got the same code again. Any idea what i should check next? Thanks
  20. 2014-2018 Mazda 3 Skyactiv Discussion
    So I'm wondering if I got the lemon. So far, two injectors, pcm, bent wheel, bubbled tire, and now a MAF have put my car officially in the service bin over 30 days in less than a year of ownership. I'm seriously contemplating asking the dealer/mazda for a free detailing at this point...
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