Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's turbocharger or supercharger isn't giving enough power. It's like when you try to blow up a balloon, but you don't blow hard enough, so the balloon doesn't get big.
The engine control module (ECM) detects that the turbocharger or supercharger is not providing the expected boost pressure.
The P0299 code is triggered when the ECM detects a lower than expected boost pressure from the turbocharger or supercharger. This can be due to various reasons such as leaks in the intake system, faulty turbocharger/supercharger components, or issues with the boost control solenoid.
• Reduced engine power
• Check Engine Light illuminated
• Poor acceleration
• Boost leak in the intake system
• Faulty turbocharger or supercharger
• Malfunctioning wastegate or boost control solenoid
Turbocharger: A device that increases an engine's efficiency and power output by forcing extra air into the combustion chamber.
Supercharger: A device that increases the pressure or density of air supplied to an internal combustion engine.
• Check for leaks in the intake system.
• Inspect the turbocharger or supercharger for damage.
• Test the wastegate and boost control solenoid for proper operation.
• Repair or replace any damaged intake hoses or intercooler.
• Replace the turbocharger or supercharger if faulty.
• Replace or repair the wastegate or boost control solenoid.
• OBD-II scanner
• Boost pressure gauge
• Vacuum pump
$150 - $2000
Moderate
• Ford F-150
• Volkswagen Jetta
• Chevrolet Cruze
• Regularly check and maintain the turbocharger system.
• Inspect and replace air filters as needed.
• Ensure proper oil changes and maintenance.
Engine Performance
• Avoid driving the vehicle aggressively until repaired.
• Seek professional diagnosis to prevent further damage.
Check with the vehicle manufacturer for warranty coverage on turbocharger components.
P0299 is a common code for vehicles with forced induction systems, often related to maintenance issues or component wear.
Moderate – Address promptly to avoid potential engine damage.
Driving with a malfunctioning turbocharger can lead to increased emissions and potential safety hazards.
• Engine at operating temperature
• Vehicle under load
The turbocharger is typically located near the exhaust manifold, while the supercharger is mounted on top of the engine.
Q: Can I drive with a P0299 code?
A: It's possible to drive short distances, but it's not recommended as it can lead to further engine damage.
Q: What happens if I ignore the P0299 code?
A: Ignoring the code can lead to decreased engine performance and possible damage to the turbocharger or engine.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.