VersaTuner - tuning software for Mazdas
VersaTuner - tuning software for Mazdas
Results 1 to 4 of 4

Thread: Severe misfire 2012 Mazda 3 3i 2.0 NonSkyactive

  1. #1
    Registered Member

    2012 Mazda 3

    Join Date
    Nov 2018
    Location
    New Hampshire
    Posts
    2

    Severe misfire 2012 Mazda 3 3i 2.0 NonSkyactive

    Hello. My name is Mike. I need some severe help with my car. I have a 2012 Mazda 3, Very base model 2.0 non skyactive motor, 5spd A/T. This past Saturday, Coming home from work I developed a pretty severe misfire. Plugged it in and pulled 2 codes. P0300 and P0301. Random cylinder misfire and cylinder one missfire. Took the mass air flow sensor out and cleaned it. Changed the cylinder one coil pack and all spark plugs, Checked all the injectors the fuel pump pretty much everything that I would need to check. Car is still misfiring. Also did a compression test on all 4 cylinders and they are reading 90 across-the-board. Replaced the battery. Now since I replaced of the battery I no longer get a code for cylinder 1, now its cylinder 3. The car mainly only misfires under a load, it will occasionaly at idle but not nearly as much or bad. Even check the timing everything is all right. I am literally throwing my hands up with this car. I don't know what to do. Someone please help.

  2. #2
    Registered Member erhayes's Avatar
    Donated: $10

    Mazda CX-5 FWD Touring

    Join Date
    Jan 2007
    Location
    Cape Coral, FL.
    Posts
    2,624
    You say you checked fuel pump. Did you check the pump pressure? Did you just fill up with gas? Ed

  3. #3
    Registered Member

    2012 Mazda 3

    Join Date
    Nov 2018
    Location
    New Hampshire
    Posts
    2
    Quote Originally Posted by erhayes View Post
    You say you checked fuel pump. Did you check the pump pressure? Did you just fill up with gas? Ed
    Yes filled up half our before it started.

  4. #4
    Registered Member concept's Avatar

    2014 Mazda3 S GT auto, 2008 MX5 6-speed

    Join Date
    Mar 2009
    Location
    San Diego
    Posts
    1,431
    Could there be water in the fuel?
    2014 3S GT, Deep Crystal Blue, Eibach Pro-Kit, Enkei PF01s, Koni Sports, Pirelli P ZERO ALL SEASON PLUS tires, 225/45/18
    2008 MX-5 Touring (Mazdaspeed CAI, HIDs, Progress/Koni Sports/Racing Beat sways, SST Magnaflow muffler and tips)

Similar Threads

  1. Replies: 0
    Last Post: 08-28-2012, 10:40 PM
  2. 2012 Orange County Choppers Mazda meet April 21, 2012
    By Chefsp0t in forum Pics & Builds
    Replies: 202
    Last Post: 04-29-2012, 12:06 AM
  3. DMM 2012 - Dublin Mazda Meet April 21, 2012
    By djchris721 in forum Global
    Replies: 0
    Last Post: 12-28-2011, 03:25 PM
  4. Mazda pr5 misfire
    By Bustypr5 in forum Protege5
    Replies: 3
    Last Post: 05-12-2011, 03:34 PM
  5. can non mazda spark plugs cause a misfire?
    By knubile in forum Protege5
    Replies: 34
    Last Post: 12-31-2006, 08:47 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •