HIGH PERFORMANCE TUNING KNOWLEDGE
  • Codes Don’t Fix Problems

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    Codes Don’t Fix Problems
    Codes are there to help us diagnose issues, but also for the PCM to know what to do it a case there may be an issue at hand. Just because there is a TPS code does not mean there is a TPS sensor problem.

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  • You can’t do that with an OEM PCM… Why sure you can!

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    You can’t do that with an OEM PCM… Why sure you can!
    Everyone has their own opinion on when to switch to a standalone PCM, and I have my opinion too. But who in their right mind thinks it a good idea to aim to run 4’s in the 1/8th mile on an OEM PCM and HP Tuners? Well, Sam Heath thinks it’s a great idea with his little red S10.

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  • Oxygen Sensor Novel Starting in 3... 2... 1...

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    Oxygen Sensor Novel Starting in 3... 2... 1...
    When using an oxygen sensor, the sensor has a heat-up time and a dead/off time. The heat-up time is the time needed to warm up so it can read correctly. Anytime you are wide open throttle the PCM once again goes into open loop, not caring what the oxygen sensor has to say. That is called our dead/off time.

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