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Home / DTC / P2263 — Turbocharger / Supercharger Performance

P2263 — Turbocharger / Supercharger Performance

Detailed page for trouble code P2263.

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P2263

LAND ROVER P — Powertrain

Turbocharger / Supercharger Performance

Brand: LAND ROVER
Type: P — Powertrain
Views: UK: 9 EN: 27 RU: 20
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Page language: EN

Causes

  • Vacuum/boost leaks (intercooler, charge pipes, hose clamps, intake tract)
  • Faulty MAP/boost pressure sensor or wiring (open, short, poor reference)
  • Sticking or failed wastegate/actuator (mechanical or control valve)
  • Failed turbocharger (worn shaft, damaged compressor/turbine, clogged vanes)
  • Faulty boost control solenoid/valve (electrical fault or internal leak)
  • Intake or intercooler restriction (carbon, oil, debris)

Symptoms

  • Reduced engine power / limp mode
  • Slow or no turbo spool; reduced boost pressure
  • Black smoke under acceleration (rich condition)
  • Poor throttle response and increased turbo lag
  • Check Engine Light illuminated (MIL)
  • Unusual turbo noises (whine, grinding, rattling)

What to check

  • Retrieve freeze frame and live data with a capable scan tool (requested vs actual boost, wastegate position, solenoid duty)
  • Visual inspection of all boost/charge hoses, intercooler, and clamps for leaks or damage
  • Check MAP/boost sensor voltage and ground at key-on and under load
  • Smoke test intake and boost system for leaks
  • Inspect turbocharger for shaft play, oil leaks, damaged blades, and seized variable vanes
  • Verify operation of boost control solenoid and wastegate actuator (apply vacuum/voltage as appropriate)

Signal parameters

  • Boost pressure (MAP) — actual vs commanded (kPa or bar); significant negative deviation indicates underboost
  • MAP sensor voltage — typically ~0.2–1.0 V at vacuum, up to ~4–5 V under boost (vehicle-specific)
  • MAF sensor airflow (g/s) — should scale with engine load
  • Wastegate/actuator position (mm or %), and control solenoid duty cycle (%)
  • Turbo actuator voltage or position sensor output (where fitted)
  • Intake air temperature (IAT) and charge air temp (post-intercooler)

Diagnostic algorithm

  1. Read and record freeze frame and live data (requested vs actual boost, MAP, MAF, wastegate duty/position).
  2. Clear code, perform controlled road-test while monitoring live parameters to reproduce the fault and capture real-time deviation.
  3. Visually inspect all intake, charge and vacuum hoses, intercooler and seals for leaks, loose clamps or damage.
  4. Perform a smoke test of the intake/boost system to locate leaks not visible by eye.
  5. Test boost/MAP sensor: verify reference voltage, ground and signal at key-on and under load; substitute known-good sensor if available.
  6. Check boost control solenoid: verify correct duty cycle from ECU, bench-test solenoid for operation and internal leakage.
  7. Inspect and test wastegate/actuator: actuate manually (vacuum/pressure or hand) to confirm movement and correct return; confirm vane actuator if variable geometry turbo.
  8. Inspect turbocharger mechanically for shaft play, oil contamination, vane seizure or damage; replace if internal failure is present.
  9. Check MAF sensor operation and wiring; clean or replace if suspect.
  10. Check for exhaust restrictions (DPF clogging, damaged catalytic converter) that can limit turbo performance.
  11. If wiring or ECU control suspected, perform wiring continuity and resistance checks between ECU and actuators/solenoids; repair as necessary.
  12. After repairs, reset codes and perform verification road test with logged data to confirm requested vs actual boost alignment and code not returning.

Likely causes

  • Boost or intake system leak (most common)
  • Faulty boost/MAP sensor or poor signal
  • Faulty or sticking wastegate actuator or control solenoid
  • Turbo mechanical failure (shaft play, damaged blades, variable vane seizure)

Fault status

⚠️ Status
Turbocharger/Supercharger performance fault detected — measured boost not meeting commanded parameters. Inspect boost system, sensors, actuator and turbo hardware.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.5 hours

Similar codes

P0299 P0234 P0236 P2261 P2260
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