P2173
Throttle Actuator Control System - High Air Flow Detected
P2173 is an OBD-II diagnostic trouble code meaning: Throttle Actuator Control System - High Air Flow Detected. Common causes: air leak in intake manifold, throttle valve stuck. Estimated repair cost: $17–89.
Symptoms
- Unstable engine idling
- Dips when pressing the gas pedal
- Increased fuel consumption
- Check Engine light comes on
- Reduced engine power
Causes
- Air leak in intake manifold
- Throttle valve stuck
- Throttle Position Sensor Malfunction
- Problems with wiring to the throttle body
- Throttle valve contamination
How to Fix
- Check the intake tract for air leaks
- Clean throttle body
- Check the operation of the throttle position sensor
- Check the integrity of the wiring to the throttle
- Perform throttle valve adaptation
Related codes
Error P2173 by Vehicle Brand
FAQ
What does the P2173 code mean?
P2173 is an OBD-II diagnostic trouble code that indicates: Throttle Actuator Control System - High Air Flow Detected
What causes a P2173 error code?
The most common causes of P2173 include: Air leak in intake manifold; Throttle valve stuck; Throttle Position Sensor Malfunction; Problems with wiring to the throttle body.
How do I fix a P2173 diagnostic trouble code?
To fix P2173: Check the intake tract for air leaks. Clean throttle body. Check the operation of the throttle position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2173?
Limited driving only, diagnose soon
How much does it cost to fix P2173?
The estimated repair cost for P2173 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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