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  1. Problem Diagnosis
    Hey folks! I recently sent my WRX to a local tuner to have the ECU remapped because it was running rich. Tuner confirmed it was running rich, and remapped it. Anyway, ever since the remap the car has been backfiring quite a bit. Once the car heats up, it backfires quite consistently when...
  2. Problem Diagnosis
    Hi all, I own a 2003 WRX wagon with about 167000 miles. Sometimes when flooring it and shifting quickly from 1st to 2nd I get a sudden "pop" or "bang" when I get on the gas again, kind of like a backfire but coming from the front of the car around the firewall. It's only happened once or twice...
  3. wrxflame

    backfire
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