Typical Sensor Ranges and Limits

🧠 Part of the TuningBot ECU Knowledge Base — in-depth documentation on ECU logic, maps, emissions systems and safe calibration methods.

Knowing normal sensor ranges helps identify problems quickly.

Boost Pressure

  • Stock turbo WOT — 150-250 kPa
  • Этап 1 — 180-280 kPa

Rail Pressure (Diesel)

  • Idle — 250-400 bar
  • Full load — 1400-2500 bar

EGT

  • Cruise — 250-400°C
  • Full load — 500-750°C
  • Safe limit — typically <850°C

Lambda (Gasoline)

  • Stoichiometric — 1.0 / AFR 14.7
  • WOT enrichment — 0.78-0.88

Temperatures

  • Coolant normal — 85-100°C
  • Oil normal — 90-110°C
  • IAT good — 25-50°C

Fuel Trims

  • Normal — ±5%
  • Acceptable — ±10%
  • Investigation — ±15%+

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