OBD Guide
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P1247

Turbo Boost Pressure Low

P1247 is an OBD-II diagnostic trouble code meaning: Turbo Boost Pressure Low. Common causes: air leaks in the charging system, turbocharger malfunction. Estimated repair cost: $17–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–278 (est.)

Symptoms

  • Loss of engine power
  • Increased fuel consumption
  • Check engine light comes on
  • Turbo lag (turbine reaction delay)
  • Noises from the turbocharger

Causes

  • Air leaks in the charging system
  • Turbocharger malfunction
  • Wastegate problems
  • Boost pressure sensor malfunction
  • Intercooler is dirty or clogged

How to Fix

  1. Check the tightness of the charging system
  2. Check the operation of the turbocharger
  3. Check the serviceability of the bypass valve
  4. Check the boost pressure sensor and its connection
  5. Clean or replace the intercooler if necessary

Related codes

P0234P0236P0299

Error P1247 by Vehicle Brand

AcuraFordHondaInfinitiLincolnMercuryVolkswagen

FAQ

What does the P1247 code mean?

P1247 is an OBD-II diagnostic trouble code that indicates: Turbo Boost Pressure Low

What causes a P1247 error code?

The most common causes of P1247 include: Air leaks in the charging system; Turbocharger malfunction; Wastegate problems; Boost pressure sensor malfunction.

How do I fix a P1247 diagnostic trouble code?

To fix P1247: Check the tightness of the charging system. Check the operation of the turbocharger. Check the serviceability of the bypass valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1247?

Limited driving only, diagnose soon

How much does it cost to fix P1247?

The estimated repair cost for P1247 is $17–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat