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misfire

  1. QR25DE 05 Spec V Multiple Misfire HELP.

    Troubleshooting and Support
    Hi, I'm new to using forums so here it goes. I drive a 2005 Spec V. When my misfire began I had 4-2-1 OBX Headers, using the anti-fouler trick on the second sensor, catless with a resonator and Nismo muffler. I already took care of the butterfly screws two years ago when I purchased the...
  2. Misfiring after hitting 4K rev

    Introductions
    Hey guys. I've owned my Spec V from day 1 and I've been getting a misfire the last few days. If I rev to 4K rpm at a stand still or even driving it'll start to misfire when the RPMs start to drop down. While it's misfiring I'll give it a little gas to 1k rpm and it'll stop. NO check engine...
  3. my car seems to be misfiring, HELP PLEASE!!

    B15 Sentra (2000 - 2006)
    I want to prefix everything by saying I know close to nothing about cars other than when I have to fix something, then I go find out how to fix it and learn the hard way. On that note, when I am at a full stop the car begins to shake and sounds like its misfiring. My SES light begins to flash...
  4. QR25DE This is out of control, weird misfire issue (not the usual one)

    B15 Sentra (2000 - 2006)
    2004 spec-v P0300 code All coils tested and passed Have spark at all plugs Both crank and cam sensors are less than 6 months old(tested good) Injectors tested good All injector terminal 1 voltages = 12.45V All injector terminal 2 voltages = 2.45V Just finished a rebuild, started it up and had...
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