Home › OBD2 Codes › P2119
P2119 Throttle Actuator Control
Throttle Actuator Control Throttle Body Range/Performance
P2119 means the throttle body is not returning to or holding its expected closed (minimum airflow) position, so the ECM detects a throttle body range and performance problem.
🚗 Not recommended. A throttle body range fault can force limp mode.
Is P2119 really the problem on YOUR car? Get a free AI diagnosis ranked by probability for your exact year, make, and model.
Run Free Diagnosis →
🎯 Top Causes, Ranked by Likelihood
#1 Carbon buildup on the throttle plate $0-$300
Deposits keep the plate from seating at its closed position.
#2 Sticking or failed throttle body $150-$600
A binding plate or worn body cannot return properly.
#3 Weak throttle return spring $150-$500
A weak spring prevents the plate from closing fully.
#4 Wiring or connector fault $50-$300
Circuit faults cause incorrect position feedback.
🩺 Common Symptoms High or erratic idle Reduced power / limp mode Check engine light Rough idle Hesitation
💰 Repair Cost: DIY vs Shop
📋 Free OBD2 Code Cheat Sheet
The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.
🔧 How to Diagnose P2119 1 Clean the throttle body and inspect the plate
2 Read live data for closed throttle position
3 Check the return spring and plate movement
4 Replace the throttle body if it cannot hold position, then relearn idle
❓ Frequently Asked Questions Can I drive with a P2119 code?
Avoid it. It can cause high idle or limp mode with reduced power.
How much does it cost to fix P2119?
Cleaning is cheap, but a throttle body replacement runs $150-$900 at a shop.
Can cleaning fix P2119?
Often yes. If carbon buildup is keeping the plate from closing, cleaning and a relearn can resolve it.
🔗 Related Codes
Don't guess. Know exactly what's wrong. AmpAuto's AI ranks the real causes for your specific vehicle in 30 seconds.
Diagnose P2119 Free →