1999 Ford Mustang Cobra Logo
Posted on May 16, 2010
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Obd code of p0411 on a 1999 ford mustang 3.8 v-6 what do I check to correct

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Anonymous

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  • Posted on May 16, 2010
Anonymous
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That's s failure of the secondary air pump. It'll have to be changed. It's an emissions component meant to help with cold start emissions. It won't cause engine running trouble but at inspection time you'll fail for smog. Change it before then and you'll be fine.

Ed Paje

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  • Posted on May 16, 2010
Ed Paje
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16795/P0411/001041 - Secondary Air Injection System: Incorrect Flow Detected Possible Symptoms

  • Malfunction Indicator Light (MIL) ON
Possible Causes
  • Fuel Pump Relay (J17) faulty
  • Hoses/Pipes to/between Components faulty/clogged
  • Secondary Air Injection Pump (V101) faulty
  • Secondary Air Injection Pump Relay (J299) faulty
  • Secondary Air Injection Solenoid Valve (N112) faulty
Possible Solutions
  • Check Fuel Pump Relay (J17)
  • Check Hoses/Pipes to/between Components
    • Check Secondary Air Injection Hoses/Pipes for Carbonization
  • Check Secondary Air Injection Pump (V101)
  • Check Secondary Air Injection Pump Relay (J299)
  • Check Secondary Air Injection Solenoid Valve (N112)
This are SAE so I'm not sure about the items in parentheses (XXXX) but it should be dead on if not nice try on my part.

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