Why Your Car Loses 20% Power in Summer Heat (And What to Fix)
Your knock threshold drops from -6 to -11 when ambient temps hit 35°C. That intercooler upgrade means nothing if your ECU is pulling 4° of timing to prevent knock.
Why WRX STI Knock Sensors Cause Phantom Power Loss
Your WRX STI's knock sensor might be lying to the ECU about phantom knock events, pulling timing and costing you serious power. Real data shows how often these sensors fail without throwing codes.