OBD Guide

P2175

Throttle Actuator Control System - Low Air Flow Detected

P2175 is an OBD-II diagnostic trouble code meaning: Throttle Actuator Control System - Low Air Flow Detected. Common causes: dirty or faulty throttle valve, air leaks in the intake tract. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Reduced engine power
  • Unstable idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Dirty or faulty throttle valve
  • Air leaks in the intake tract
  • Malfunction of the mass air flow sensor (MAF)
  • Problems with the throttle control wiring or connectors
  • Software error in the control unit

How to Fix

  1. Properiodic cleaning of the throttle valve
  2. Checking the tightness of the intake tract
  3. Diagnostics and replacement of the mass air flow sensor if necessary
  4. Checking the condition of wiring and connectors
  5. Updating ECU firmware updates

Related codes

Error P2175 by Vehicle Brand

FAQ

What does the P2175 code mean?

P2175 is an OBD-II diagnostic trouble code that indicates: Throttle Actuator Control System - Low Air Flow Detected

What causes a P2175 error code?

The most common causes of P2175 include: Dirty or faulty throttle valve; Air leaks in the intake tract; Malfunction of the mass air flow sensor (MAF); Problems with the throttle control wiring or connectors.

How do I fix a P2175 diagnostic trouble code?

To fix P2175: Properiodic cleaning of the throttle valve. Checking the tightness of the intake tract. Diagnostics and replacement of the mass air flow sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2175?

Yes, but get it checked soon

How much does it cost to fix P2175?

The estimated repair cost for P2175 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat