OBD Guide

P1416

Port Air Circuit Malfunction/AIR System Bank 2

P1416 is an OBD-II diagnostic trouble code meaning: Port Air Circuit Malfunction/AIR System Bank 2. Common causes: secondary air system valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.

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

Symptoms

  • Check Engine Light Is On
  • Deterioration of vehicle dynamics
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Increase in harmful emissions

Causes

  • Secondary air system valve malfunction
  • Open or short circuit in control circuit
  • Problems with the AIR system relay
  • Clogged air ducts
  • Air pressure sensor malfunction

How to Fix

  1. Check the integrity of the wiring harness to the AIR valve
  2. Check the functionality of the secondary air system valve
  3. Check the condition of the AIR system relay
  4. Clean the secondary air supply ducts
  5. Check air pressure sensor

Related codes

Error P1416 by Vehicle Brand

FAQ

What does the P1416 code mean?

P1416 is an OBD-II diagnostic trouble code that indicates: Port Air Circuit Malfunction/AIR System Bank 2

What causes a P1416 error code?

The most common causes of P1416 include: Secondary air system valve malfunction; Open or short circuit in control circuit; Problems with the AIR system relay; Clogged air ducts.

How do I fix a P1416 diagnostic trouble code?

To fix P1416: Check the integrity of the wiring harness to the AIR valve. Check the functionality of the secondary air system valve. Check the condition of the AIR system relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1416?

Yes, but get it checked soon

How much does it cost to fix P1416?

The estimated repair cost for P1416 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat