P0414

2017-10-10

Description:

  • The fault code P0414 indicates that there is a short circuit in the secondary air injection system switching valve A circuit. This may cause the engine to run poorly or not start at all.

Possible Symptoms:

  • Illuminated check engine light

  • Rough idle or stalling

  • Reduced engine power or acceleration

  • Increased emissions

Possible Causes:

  • Faulty secondary air injection system switching valve A

  • Broken or damaged wiring in the secondary air injection system switching valve A circuit

  • Corrosion or loose connections in the secondary air injection system switching valve A circuit

  • Failed engine control module (ECM)

Related Parts:

  • Exhaust Pipe Air Injection: Air is injected into the exhaust gases for better combustion of unburnt fuel and pollutants. This allows better exhaust emission. Problems lead to harmful emissions out of limit

Possible Solutions:

  • Replace the secondary air injection system switching valve A

  • Check and repair any broken or damaged wiring in the secondary air injection system switching valve A circuit

  • Clean or tighten any corroded or loose connections in the secondary air injection system switching valve A circuit

  • Replace the engine control module (ECM) if necessary

Search