OBD Guide
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P161F

Throttle Valve Actuator 2 Position Self-Test Fault

P161F is an OBD-II diagnostic trouble code meaning: Throttle Valve Actuator 2 Position Self-Test Fault. Common causes: throttle actuator malfunction, problems with wiring or connectors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation at idle
  • Reduced engine power
  • Check Engine Light Is On
  • The engine goes into emergency mode
  • Dips when pressing the gas pedal

Causes

  • Throttle actuator malfunction
  • Problems with wiring or connectors
  • Contamination or mechanical damage to the throttle valve
  • Throttle Position Sensor Malfunction
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the throttle valve and clean if necessary
  2. Check the integrity of wiring and connectors
  3. Test the throttle position sensor
  4. Check the operation of the actuator
  5. If necessary, replace faulty components

Related codes

P161EP1620P1621

FAQ

What does the P161F code mean?

P161F is an OBD-II diagnostic trouble code that indicates: Throttle Valve Actuator 2 Position Self-Test Fault

What causes a P161F error code?

The most common causes of P161F include: Throttle actuator malfunction; Problems with wiring or connectors; Contamination or mechanical damage to the throttle valve; Throttle Position Sensor Malfunction.

How do I fix a P161F diagnostic trouble code?

To fix P161F: Check the condition of the throttle valve and clean if necessary. Check the integrity of wiring and connectors. Test the throttle position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P161F?

Limited driving only, diagnose soon

How much does it cost to fix P161F?

The estimated repair cost for P161F is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat