OBD Guide
ENFRDEESPT

P1248

Turbo Boost Pressure Not Detected

P1248 is an OBD-II diagnostic trouble code meaning: Turbo Boost Pressure Not Detected. Common causes: air leak in the turbocharging system, turbocharger malfunction. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • The engine goes into emergency mode
  • Noise or whistle from the turbocharger
  • Black smoke from the exhaust pipe

Causes

  • Air leak in the turbocharging system
  • Turbocharger malfunction
  • Damaged or clogged intercooler
  • Boost pressure sensor malfunction
  • Problems with the turbine control solenoid valve

How to Fix

  1. Check the system for air leaks
  2. Diagnose the condition of the turbocharger
  3. Check boost pressure sensor
  4. Inspect the intercooler for damage
  5. Check the operation of the turbine control solenoid valve

Related codes

P0234P0299P2262

Error P1248 by Vehicle Brand

AcuraFordHondaInfinitiLincolnMazdaMercuryVolkswagen

FAQ

What does the P1248 code mean?

P1248 is an OBD-II diagnostic trouble code that indicates: Turbo Boost Pressure Not Detected

What causes a P1248 error code?

The most common causes of P1248 include: Air leak in the turbocharging system; Turbocharger malfunction; Damaged or clogged intercooler; Boost pressure sensor malfunction.

How do I fix a P1248 diagnostic trouble code?

To fix P1248: Check the system for air leaks. Diagnose the condition of the turbocharger. Check boost pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1248?

Limited driving only, diagnose soon

How much does it cost to fix P1248?

The estimated repair cost for P1248 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat