Lincoln P0299 Error Code: How to Fix It

Medium 2-4 hours High Severity Verified June 2026
Error Code
P0299
Brand
Lincoln
Product Type
automotive
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
2-4 hours
The P0299 error code in Lincoln vehicles indicates turbocharger underboost condition, meaning your turbo isn't producing the expected boost pressure. This is especially common in EcoBoost engines due to intercooler condensation buildup and can cause reduced power and poor acceleration.
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Tools You'll Need

How to Fix Error Code P0299

  1. Connect OBD2 Scanner and Document Codes

    Ensure the vehicle is parked on level ground with the parking brake engaged before connecting the scanner.
  2. Check Intercooler for Condensation

    Allow the engine to cool completely before removing any intercooler components to prevent burns from hot metal surfaces.
  3. Inspect All Boost Hoses and Connections

  4. Test Wastegate Actuator Operation

    Do not force the wastegate arm as this can damage the actuator or turbocharger housing.
  5. Check Air Filter and Intake System

  6. Test Boost Control Solenoid

    Disconnect the battery negative terminal before testing electrical components with a multimeter.
  7. Perform Boost Pressure Test

    Only perform road testing in safe conditions with proper boost gauge installation to prevent vacuum leaks.

Parts You May Need

Turbo boost hoses
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Wastegate actuator
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Boost control solenoid
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Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
Turbo boost hoses
Check Price on Amazon
Wastegate actuator
Check Price on Amazon
Boost control solenoid
Check Price on Amazon
Intercooler piping
Check Price on Amazon
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When to Call a Professional

Call a professional if boost pressure testing reveals consistently low readings with no external leaks found, if the turbocharger makes unusual noises, or if you're uncomfortable working with pressurized systems. Internal turbocharger damage requires specialized tools and expertise to repair or replace.

Frequently Asked Questions

Can I drive with P0299 code?
You can drive short distances at low speeds, but avoid highway driving or heavy acceleration. The vehicle will be in reduced power mode and continued driving could cause additional turbocharger damage.
How much does it cost to fix P0299?
Repair costs range from $50-200 for simple hose repairs to $1500-3000 for turbocharger replacement. Most common fixes like boost hoses, intercooler cleaning, or wastegate actuators cost $200-600.
What causes intercooler condensation in Lincoln EcoBoost?
Frequent short trips, cold weather operation, and high humidity can cause water vapor to condense in the intercooler. This is more common in turbocharged engines due to temperature differences between hot compressed air and the cooling system.
Is P0299 covered under Lincoln warranty?
P0299 may be covered under powertrain warranty if caused by manufacturing defects. However, issues from normal wear, contaminated fuel, or lack of maintenance are typically not covered.