Why Your $3000 Turbo Makes Less Power Than Expected: ECU Limits
That shiny new turbo making 20hp less than expected isn't a coincidence. Your stock ECU's fuel maps are the bottleneck strangling your expensive upgrade.
WRX Knock Events After ECU Tunes: Real Data vs False Positives
That post-tune knock you're seeing might not be knock at all — most low-RPM events are just injector noise triggering oversensitive ECU parameters. Here's how to separate real knock from false positives using actual sensor data.