P2173

Throttle Actuator Control System - High Air Flow Detected

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

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

P2174 P2175 P0121