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EFI Tuning Fundamentals

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Discussion and questions related to the course EFI Tuning Fundamentals

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Hi guys,

there are two logs here: https://datazap.me/u/mladjan/after-piwis-tests?log=1&data=4-5-6-7-34

I don't like how the ignition looks, and what ECU is requesting from the engine.

Its stock tune, ecu and tcu, a stock car with OPF. 2.0 turbo boxer 4cyl in 718 Cayman PDK.

The compression graph is attached.

New spark plugs and coils, injectors removed and cleaned, good fuel (100 octane + booster), brand new lambda sensors for banks 1 and 2.

Attached Files
  • 0-02-05-6c146eb77d96e564906fc6a5eb246e6dbbc0459cd036071c2e65d2cc00a7cd3d_27040fcdd5a.jpg
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I think you are missing a few pieces of information. What was the Engine Coolant Temperature, and Intake Air Temp?

Coolant temp is not in the log, but was between 90 and 100C.

Intake Air temp is in this log, and goes up to 33C max.

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