Tuning information

In order to get the most from the ECUTEK products it is helpful to have a broader understanding of related issues. Here is a few pages covering background, comparisons and general info. etc.

•  OBD Trouble Codes
  For easy reference, here is a complete list of OBD trouble codes and their error messages. These codes are what are listed in Delta Dash.
• The History of Tuning
• What are ECU Maps
• Original ECU Comparison
  The 99/00 model year was produced with several different ECUs. This article discusses the mapping and performance differences.
• Original verses Aftermarket ECUs
  Previously, the only way to tune a 99/00 model year Impreza was to replace or piggy-back the original ECU. This article objectively compares the differences.
• Original ECU Diagnostic Information
  Information about the diagnostic data that may be retrieved from the standard ECU.
• Active Ignition Timing
  The latest Turbo Imprezas have extremely effective ignition timing strategies. This article describes their function and why it works so well with aftermarket products such as exhausts, turbos and intercoolers.

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