Fault codes › P0414

P0414

Secondary Air Injection System Switching Valve A Circuit Shorted

Generic code Auxiliary Emissions Control Medium severity Moderate repair
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iWhat P0414 means

  • 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
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P0414 on OBD DashX

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