P1247
Turbo Boost Pressure Low
Severity
⚠️ MediumCan 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
- Check the tightness of the charging system
- Check the operation of the turbocharger
- Check the serviceability of the bypass valve
- Check the boost pressure sensor and its connection
- Clean or replace the intercooler if necessary