Turbocharger/Supercharger Boost Control A Temperature Too High

Common symptoms

What you'll notice

• Check for any loose or damaged hoses or pipes connected to the turbocharger/supercharger
• Inspect and clean the air filter to ensure proper airflow to the turbocharger/supercharger
• Verify that the intercooler is functioning correctly and not blocked or damaged
• Ensure the wastegate or bypass valve is functioning properly and not stuck open or closed
• If necessary, replace the turbocharger/supercharger unit itself

Common causes

Most likely first

1. Faulty boost control solenoid
2. Dirty or clogged air filter
3. Boost pressure sensor malfunction
4. Boost pressure leak or hose damage
5. Turbocharger/supercharger failure

How to diagnose & fix

Work through it in order

1. Loss of power
2. Engine overheating
3. Engine knocking or pinging
4. Excessive smoke from exhaust
5. Poor fuel efficiency