Backfiring

Discussion in '96-04 - 4V Specific' started by RioRedCobra, Apr 13, 2015.

  1. RioRedCobra

    RioRedCobra New Member

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    Sounds like a damn shotgun when I get on it. Car has a tuner, headers, h-pipe w/o cats, flowmasters w/dumps. Also has IMRC deletes. And EGR delete, and cold-air. Everything else is stock. I know its running rich, but wow. Any way to adjust this so it doesn't happen anymore? Is it my tune?

    Just bought this car not too long ago, and don't know a whole lot about it yet, but due to the weather really haven't had a chance to drive it until this weekend..
     
  2. 96blak54

    96blak54 Legend

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    Thats a tough one. Could be faulty sensor or the tune. Try unplugging a sensor and drive to check results.
     
  3. Witzy0070

    Witzy0070 Active Member

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    If it has a tune, it's probably the tune.
     
  4. RioRedCobra

    RioRedCobra New Member

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    That's what I figure. Guy before me was spraying, and the tune is set up for that. Think it's dumping fuel...
     
  5. CC'S95GT

    CC'S95GT Legend

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    double ck the plug wires are connected to the correct plug. (firing order)
     
  6. Wild Horses

    Wild Horses Active Member

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    My 01 was doing this after getting on it hard then downshifting. Wideband ratio would read all the way down to 11.9 sometimes. I was told it was just a cobra being a cobra. Nah. I'm pretty sure my timing chains were stretched or something weird.

    If if the tune is set for spray then that's more than likely the issue. Get it dyno-tuned.